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THE MERCK MANUAL MEDICAL LIBRARY: The Merck Manual of Diagnosis and Therapy
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Me

Mean arterial pressure

  • post-resuscitation

  • Cardiac Arrest: BP support

  • shock and

  • Intravenous Fluid Resuscitation: End point and Monitoring
    Intravenous Fluid Resuscitation: Traumatic hemorrhagic shock

    Mean corpuscular hemoglobin (MCH)

    Evaluation of Anemia: Testing

    Mean corpuscular hemoglobin content (MCHC)

    Evaluation of Anemia: Testing

    Mean corpuscular volume (MCV)

    Evaluation of Anemia: Testing

  • in perinatal anemia

  • Perinatal Anemia: Testing

    Measles (rubeola)

    see also Rubella
    Selected Viruses That Infect Humans* Tables
    Measles

  • atypical

  • Measles: Symptoms and Signs

  • rickettsial disease vs

  • Rickettsiae and Related Organisms: Differentiating rickettsial from other infections

  • rubella vs

  • Rubella: Diagnosis

  • subacute sclerosing panencephalitis after

  • Subacute Sclerosing Panencephalitis (SSPE)

  • vaccine against

  • Vaccines Available in the USTables
    Common Vaccinations for AdultsTables
    Routine Vaccinations: Measles, Mumps, and Rubella
    Measles: Prevention
    Recommended childhood and adolescence immunization schedule. Figures

    Measles-mumps-rubella vaccine

    Vaccines Available in the USTables
    Common Vaccinations for AdultsTables
    Routine Vaccinations: Measles, Mumps, and Rubella

  • in Kawasaki disease

  • Kawasaki Disease: Treatment

  • in pediatric HIV infection

  • Human Immunodeficiency Virus (HIV) Infection in Children: Vaccination in symptomatic HIV infection

  • schedule for

  • Recommended childhood and adolescence immunization schedule. Figures

    Measles-mumps-rubella-varicella vaccine

    Vaccines Available in the USTables
    Routine Vaccinations: Measles, Mumps, and Rubella

    Measurement

  • units of

  • Ready Reference Guides

    Meat handler's wart

    Wart VariantsTables

    mecA gene

    Susceptibility Testing: Nucleic acid–based methods

    Mechanical ventilation

    see Ventilation

    Mechlorethamine

    Commonly Used Antineoplastic DrugsTables

    Meckel's diverticulum

    Nuclear Scans
    Meckel's Diverticulum

    Meckel-Gruber syndrome

    Major Groups of Cystic NephropathiesTables

    Meckel scan

    Nuclear Scans

    Meclizine

    Some Drugs for VomitingTables

  • in motion sickness

  • Motion Sickness: Antihistamines

  • in pregnancy

  • Drugs With Adverse Effects During PregnancyTables

  • in vertigo

  • Dizziness and Vertigo: Treatment

    Meclofenamate

    Nonopioid AnalgesicsTables

    Meclofenamic acid

    Nonopioid AnalgesicsTables

    Meclopramide

  • in vomiting

  • Some Drugs for VomitingTables

    Meconium

  • passage of

  • Evaluation and Care of the Normal Neonate: Routine care and observation
    Constipation

  • suctioning of

  • Meconium Aspiration Syndrome: Treatment

    Meconium aspiration syndrome

    Small-for-Gestational-Age (SGA) Infant: Complications
    Meconium Aspiration Syndrome

    Meconium ileus

    Meconium Ileus
    Cystic Fibrosis (CF): GI

    Meconium plug syndrome

    Meconium Ileus: Meconium Plug Syndrome

    Medial calcific sclerosis

    Nonatheromatous Arteriosclerosis

    Medial collateral ligament injury

    Knee Sprains and Meniscal Injuries
    Ligaments of the knee.Figures

    Medial epicondylitis

    Medial Epicondylitis

    Median nerve compression

    Nerve Compression Syndromes: Carpal Tunnel Syndrome
    Neutral wrist splint.Figures
    Peripheral Neuropathy: Symptoms and Signs

    Median rhomboid glossitis

    Some Disorders of the Oral Region by Predominant Site of InvolvementTables

    Mediastinitis

    Mediastinitis

  • fibrosing

  • Histoplasmosis: Symptoms and Signs

    Mediastinoscopy

    Mediastinoscopy and Mediastinotomy

    Mediastinotomy

    Mediastinoscopy and Mediastinotomy

    Mediastinum

  • air in

  • Pneumomediastinum
    Pulpitis: Treatment

  • in infant

  • Pulmonary Air-Leak Syndromes: Pneumomediastinum

  • biopsy of

  • Mediastinal Masses: Diagnosis

  • carcinoma of

  • Metastatic Carcinoma of Unknown Primary Origin

  • Chamberlain procedure on

  • Hodgkin Lymphoma: Diagnosis

  • inflammation of

  • Mediastinitis

  • masses of

  • Mediastinal Masses
    Some causes of mediastinal masses in adults.Figures

  • in children

  • Mediastinal Masses: ChildrenTables

    Medicaid

    Medicaid

    Medical insurance

  • Private insurance

  • Private Insurance

    Medical malpractice

    Medical Malpractice

    Medicare

    Medicare
    Funding Sources by Type of CareTables

  • Part A

  • Medicare: Part A

  • Part B

  • Medicare: Part B

  • Part C

  • Medicare: Part C (Medicare Advantage Plans)

  • Part D

  • Medicare: Part D
    Medicare Part D drug costs.Figures

    Medicare Advantage Plans

    Medicare: Part C (Medicare Advantage Plans)

    Medicolegal issues

    Medicolegal Issues

    Medigap

    Private Insurance: Medigap

    Meditation

    Types of Complementary and Alternative Medicine Tables

    Mediterranean anemia

    Thalassemias

    Mediterranean fever

    Brucellosis

  • familial

  • Familial Mediterranean Fever

    Mediterranean spotted fever

    Diseases Caused by Rickettsia, Ehrlichia, and Coxiella Sp Tables
    Eastern Tick-Borne Rickettsioses

    Medium-chain acyl dehydrogenase deficiency

    Fatty Acid and Glycerol Metabolism Disorders: Medium-chain acyl dehydrogenase deficiency (MCADD)

    Medoidioplasty

    Gender Identity Disorder and Transsexualism: Female-to-male transsexualism

    Medroxyprogesterone

  • for contraception

  • Comparison of Common Contraceptive MethodsTables
    Contraception: Progestin Injections

  • in endometriosis

  • Drugs Used to Treat EndometriosisTables

  • in hirsutism

  • Amenorrhea: Treatment

  • in hot flushes

  • Menopause: Hormone therapy

  • in pedophilia

  • Paraphilias: Treatment

  • in protein-energy undernutrition

  • Protein-Energy Undernutrition: Adults

  • in uterine fibroids

  • Uterine Fibroids: Drugs

    Medullary cystic disease

    Major Groups of Cystic NephropathiesTables
    Nephronophthisis and Medullary Cystic Kidney Disease Complex

    Medullary sponge kidney

    Medullary Sponge Kidney

    Medulloblastoma

    Common Localizing Manifestations of Brain Tumors Tables
    Gliomas

  • in children

  • Brain Tumors in Children: Medulloblastoma

    MedWatch

    Adverse Drug Reactions: Diagnosis

    Mees' lines

    Deformities: Discoloration

    Mefloquine

    Treatment of Malaria Tables
    Prevention of MalariaTables
    Adverse Reactions and Contraindications of Antimalarial DrugsTables
    Malaria: Treatment of the acute attack

    Megacolon

  • Chagas'

  • Chagas' Disease: Symptoms and Signs

  • congenital

  • Jejunoileal and Large-Bowel Obstruction: Hirschsprung's Disease

  • toxic

  • Ulcerative Colitis: Pathophysiology
    Ulcerative Colitis: Fulminant colitis
    Jejunoileal and Large-Bowel Obstruction: Hirschsprung's Enterocolitis

    Megacystis-microcolon, intestinal hypoperistalsis syndrome

    Bladder Anomalies: Megacystis syndrome

    Megacystis syndrome

    Bladder Anomalies: Megacystis syndrome

    Megaesophagus

    Motility Disorders: Achalasia

  • Chagas'

  • Chagas' Disease: Symptoms and Signs

    Megaloblastic anemia

    see also Anemia, megaloblastic
    Megaloblastic Macrocytic Anemias

  • oral lesions in

  • Oral Findings in Systemic DisordersTables

  • vitamin B12 deficiency and

  • Sources, Functions, and Effects of Vitamins Tables
    Vitamin B12: Symptoms and Signs
    Characteristics of Common Anemias Tables
    Megaloblastic Macrocytic Anemias: Etiology

    Megestrol acetate

  • in cancer chemotherapy

  • Commonly Used Antineoplastic DrugsTables

  • in hot flushes

  • Menopause: Hormone therapy

  • in protein-energy undernutrition

  • Protein-Energy Undernutrition: Adults

  • in uterine fibroids

  • Uterine Fibroids: Drugs

    Meglumine antimonate

    Leishmaniasis: Treatment and Prevention

    Meibomian glands

  • dysfunction of

  • Blepharitis: Chronic

  • infection of

  • Chalazion and Hordeolum

  • occlusion of

  • Chalazion and Hordeolum

    Meige's disease

    Causes of Pleural Effusion Tables
    Lymphedema: Primary lymphedemas
    Dystonias: Segmental dystonias

    Meigs' syndrome

    Ovarian Cancer: Diagnosis

    Meiosis

    General Principles of Medical Genetics: Structure

    Melagatran

    Pulmonary Embolism (PE): Prevention

    Melancholy

    Depressive Disorders: Major depression (unipolar disorder)

    Melanin-concentrating hormone

    Pathways Regulating Food IntakeSidebars

    Melanocyte-stimulating hormone (MSH)

    Pathways Regulating Food IntakeSidebars
    Principles of Endocrinology: Other hormones
    Physiology of Pregnancy: Endocrine

    Melanoma

    Oral Findings in Systemic DisordersTables
    Deformities: Melanonychia striata
    Melanoma
    5–Yr Survival* for Malignant Melanoma Relative to Thickness and UlcerationTables

  • atypical nevi and

  • Moles: Diagnosis

  • choroid

  • Cancers Affecting the Retina: Choroidal melanoma

  • vulvar

  • Vulvar Cancer: Pathology

    Melanonychia striata

    Deformities: Melanonychia striata

    Melanoptysis

    Coal Workers' Pneumoconiosis: Symptoms and Signs

    Melanosis coli

    Constipation: Types of laxatives

    Melarsoprol

    African Trypanosomiasis: Treatment

    MELAS

    Mitochondrial Oxidative Phosphorylation Disorders: Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS)
    Mitochondrial DisordersTables

    Melasma

    Hyperpigmentation: Melasma (chloasma)
    Physiology of Pregnancy: Dermatologic

  • oral contraceptives and

  • Contraception: Adverse effects

    Melatonin

    Melatonin

  • aging-related changes in

  • Endocrine Disorders: Aging and Endocrinology

  • in jet lag

  • Air Travel: Circadian dysrhythmia (jet lag)

  • in sleep disorders

  • Approach to the Patient With a Sleep or Wakefulness Disorder: Other sedatives

    Melena

    GI Bleeding

    Melioidosis

    Melioidosis

    Melnick-Fraser syndrome

    Major Groups of Cystic NephropathiesTables

    Melphalan

    Multiple Myeloma: Treatment of malignant cells
    Commonly Used Antineoplastic DrugsTables

    Memantine

    Examples of Disorders Associated With Defects in Neurotransmission Tables
    Drugs for Neuropathic PainTables
    Dementia: Drugs
    Dementia: Treatment
    Drugs for Alzheimer's DiseaseTables

    Membrane(s)

  • epiretinal

  • Epiretinal Membrane

    Membrane attack complex (C5-C9) deficiency

    Primary Immunodeficiency Disorders Tables
    Characteristic Clinical Findings in Some Primary Immunodeficiency DisordersTables

    Membrane-stabilizing drugs

  • in arrhythmias

  • Antiarrhythmic Drugs (Vaughan Williams Classification) Tables
    Arrhythmias and Conduction Disorders: Class I

    Membranoproliferative glomerulonephritis

    Electron microscopic features in immunologic glomerular diseases.Figures
    Nephritic and Nephrotic Syndromes: Membranoproliferative Glomerulonephritis

    Membranous nephropathy

    Nephrotic Syndrome: Membranous Nephropathy
    Electron microscopic features in immunologic glomerular diseases.Figures

    Memory

  • age-associated impairment of

  • Amnesias: Etiology
    Dementia: Diagnosis

  • disorders of

  • see also Amnesia
    Amnesias

  • evaluation of

  • Examination of Mental StatusSidebars

  • loss of

  • in dementia

  • see Dementia

  • physical disorders and

  • Selected Physical Disorders Causing Mental SymptomsTables

    Menadione

    see also Vitamin K
    Vitamin K: Vitamin K Toxicity

    Menaquinones

    Vitamin K

    Menarche

    Female Reproductive Endocrinology: Puberty
    Sexual Development

    Mendelian disorders

    see Genetic disorders

    Ménétrier's disease

    Gastritis: Ménétrier's disease

    Meniere's disease

    Some Causes of TinnitusTables
    Some Causes of Dizziness and VertigoTables
    Meniere's Disease
    Cranial NervesTables

    Meningioma

    Common Localizing Manifestations of Brain Tumors Tables
    Meningiomas
    Symptoms of Meningiomas by SiteTables

  • orbital

  • Some Causes of ProptosisTables

    Meningitis

    Meningitis

  • Angiostrongylus

  • Angiostrongyliasis

  • aseptic

  • Syndromes Caused by EnterovirusesTables
    Enteroviruses
    Cerebrospinal Fluid Abnormalities in Various InfectionsTables
    Aseptic Meningitis
    Causes of Aseptic Meningitis*Tables

  • bacterial

  • Cerebrospinal Fluid Abnormalities in Various DisordersTables
    Cerebrospinal Fluid Abnormalities in Various InfectionsTables
    Acute Bacterial Meningitis
    Antibiotic Therapy for Acute Bacterial MeningitisTables
    Common IV Antibiotic Dosages for Bacterial Meningitis*Tables

  • in children

  • Acute Bacterial Meningitis: Symptoms and Signs
    Acute Bacterial Meningitis: Diagnosis
    Acute Bacterial Meningitis: Prognosis and Treatment

  • listerial

  • Listeriosis: Symptoms, Signs, and Diagnosis
    Acute Bacterial Meningitis: Etiology
    Antibiotic Therapy for Acute Bacterial MeningitisTables
    Aseptic Meningitis: Diagnosis and Treatment

  • meningococcal

  • Meningococcal Diseases
    Neurologic Diagnostic Procedures: Lumbar puncture (spinal tap)
    Antibiotic Therapy for Acute Bacterial MeningitisTables
    Acute Bacterial Meningitis: Prognosis and Treatment

  • in neonate

  • Neonatal Meningitis

  • pneumococcal

  • Pneumococcal Infections: Pneumococcal Diseases
    Acute Bacterial Meningitis: Etiology
    Antibiotic Therapy for Acute Bacterial MeningitisTables

  • staphylococcal

  • Acute Bacterial Meningitis: Etiology
    Antibiotic Therapy for Acute Bacterial MeningitisTables

  • streptococcal

  • Antibiotic Therapy for Acute Bacterial MeningitisTables
    Neonatal Meningitis: Symptoms and Signs
    Neonatal Meningitis: Treatment

  • vs aseptic meningitis

  • Aseptic Meningitis: Diagnosis and Treatment

  • chemical

  • Subarachnoid Hemorrhage (SAH): Pathophysiology

  • chronic

  • Cerebrospinal Fluid Abnormalities in Various InfectionsTables
    Subacute and Chronic Meningitis

  • crytococcal

  • Cryptococcosis: CNS
    Cryptococcosis: Patients without AIDS

  • in elderly

  • Unusual Presentations of Illness in the elderly

  • fungal

  • Acute Bacterial Meningitis: Diagnosis
    Subacute and Chronic Meningitis: Etiology
    Subacute and Chronic Meningitis: Diagnosis and Treatment

  • herpes simplex virus

  • Herpes Simplex Virus (HSV) Infections: CNS infection

  • HIV infection and

  • Common Manifestations of HIV Infection by Organ SystemTables

  • lumbar puncture in

  • Meningitis: Diagnosis and Treatment
    Cerebrospinal Fluid Abnormalities in Various InfectionsTables
    Acute Bacterial Meningitis: Diagnosis
    Aseptic Meningitis: Diagnosis and Treatment
    Subacute and Chronic Meningitis: Diagnosis and Treatment

  • Lyme

  • Guidelines for Antibiotic Treatment of Adult Lyme DiseaseTables

  • meningococcal, immunization for

  • Vaccines for International Travel* Tables

  • Mollaret's

  • Aseptic Meningitis: Etiology

  • mumps

  • Mumps: Symptoms and Signs

  • neoplastic

  • Subacute and Chronic Meningitis: Diagnosis and Treatment

  • in premature infant

  • Premature Infant: Infection

  • prevention of

  • Acute Bacterial Meningitis: Prevention

  • septic

  • Aseptic Meningitis
    Causes of Aseptic Meningitis*Tables

  • subacute

  • Cerebrospinal Fluid Abnormalities in Various InfectionsTables
    Subacute and Chronic Meningitis

  • syphilitic

  • Cerebrospinal Fluid Abnormalities in Various DisordersTables

  • tuberculous

  • Tuberculosis (TB): TB meningitis
    Acute Bacterial Meningitis: Diagnosis
    Aseptic Meningitis: Diagnosis and Treatment
    Subacute and Chronic Meningitis: Diagnosis and Treatment

  • viral

  • Acute Bacterial Meningitis: Diagnosis

    Meningocele

    Spina Bifida

    Meningococcal infection

    Neisseriaceae
    Meningococcal Diseases
    Neurologic Diagnostic Procedures: Lumbar puncture (spinal tap)
    Antibiotic Therapy for Acute Bacterial MeningitisTables

  • drotrecogin alfa in

  • Acute Bacterial Meningitis: Prognosis and Treatment
    Acute Bacterial Meningitis: Prevention

  • rickettsial infection vs

  • Rickettsiae and Related Organisms: Differentiating rickettsial from other infections

  • rifampin prophylaxis in

  • Usual Doses of Commonly Prescribed AntibioticsTables

  • vaccine against

  • Vaccines Available in the USTables
    Common Vaccinations for AdultsTables
    Meningococcal Diseases: Vaccination
    Acute Bacterial Meningitis: Prevention
    Recommended childhood and adolescence immunization schedule. Figures

    Meningoencephalitis

    see also Encephalitis
    see also Meningitis

  • amebic

  • Free-Living Amebas: Primary Amebic Meningoencephalitis
    Neurologic Diagnostic Procedures: Lumbar puncture (spinal tap)
    Acute Bacterial Meningitis: Diagnosis

  • syphilitic

  • Syphilis: Late or tertiary syphilis

    Meningomyelocele

    Spina Bifida
    Spina Bifida: Treatment

    Meniscus

    Ligaments of the knee.Figures

  • injury to

  • Knee Sprains and Meniscal Injuries

    Menkes' syndrome

    Trace MineralsTables
    Copper: Inherited Copper Deficiency

    Menopause

    Menopause

  • black cohosh and

  • Black Cohosh: Claims

  • premature

  • Premature Ovarian Failure
    Common Causes of Premature Ovarian FailureTables
    Menopause

  • vaginal bleeding after

  • Vaginal Bleeding
    Common Causes of Abnormal Vaginal BleedingTables

  • vaginitis after

  • Vaginitis: Postmenopausal women

    Menorrhagia

    Vaginal Bleeding
    Dysfunctional Uterine Bleeding (DUB): Symptoms, Signs, and Diagnosis

    Menstruation

    General Gynecologic Evaluation: History
    Female Reproductive Endocrinology: Menstrual Cycle
    The idealized cyclic changes in pituitary gonadotropins, estradiol (E2), progesterone (P), and uterine endometrium during the normal menstrual cycle. Figures

  • abnormalities of

  • Vaginal Bleeding
    Menstrual Abnormalities

  • absence of (amenorrhea)

  • Ovulatory Dysfunction: Treatment

  • cessation of

  • see Menopause

  • hematocolpos with

  • Pelvic Mass: Etiology
    Amenorrhea: Etiology

  • history of

  • General Gynecologic Evaluation: History

  • iron loss with

  • Iron Deficiency Anemia: Etiology

  • onset of (menarche)

  • Sexual Development

  • pain with

  • Pelvic Pain
    Dysmenorrhea

  • pneumothorax and

  • Pneumothorax: Etiology

  • porphyria and

  • Acute Porphyrias: Prevention

  • premenstrual syndrome and

  • Premenstrual Syndrome (PMS)

  • toxic shock syndrome with

  • Toxic Shock Syndrome (TSS)

    Mental retardation

    Intellectual Disability (ID)
    Tests for Some Causes of Intellectual DisabilityTables

  • chromosomal abnormalities and

  • Chromosomal and Genetic Causes of Intellectual Disability*Tables

  • diagnosis of

  • Intellectual Disability (ID): Diagnosis
    Tests for Some Causes of Intellectual DisabilityTables

  • in Down syndrome

  • Down Syndrome: Symptoms and Signs

  • in fetal alcohol syndrome

  • Prenatal Drug Exposure: Alcohol

  • in fragile X syndrome

  • Fragile X Syndrome

  • prevention of

  • Intellectual Disability (ID): Prevention

    Mental status

  • brain tumor and

  • Intracranial and Spinal Tumors: Symptoms and Signs

  • deterioration of

  • see Delirium
    see Dementia

  • examination of

  • see also Neurologic examination
    Routine Psychiatric Assessment: Mental Status Examination
    Approach to the Neurologic Patient: Mental status
    Examination of Mental StatusSidebars
    Evaluation of the Elderly Patient: Mental status

  • in delirium

  • Delirium: Mental status examination

  • in dementia

  • Dementia: Clinical criteria

  • hospitalization and

  • Hospital Care: Mental Status Changes

  • postoperative

  • Postoperative Care: Mental status

    Meperidine

    Opioid Analgesics Tables
    Equianalgesic Doses of Opioid Analgesics*Tables

  • in elderly

  • Effect of Aging on Drug Metabolism* and EliminationTables
    High-Risk Drugs in the Elderly (Based on Beers Criteria) Tables
    Drug-Disease Interactions in the Elderly Tables
    Effect of Aging on Drug Metabolism* and EliminationTables
    High-Risk Drugs in the Elderly (Based on the Beers Criteria)Tables
    Drug-Disease Interactions in the ElderlyTables

  • in labor and delivery

  • Management of Normal Labor: Analgesia

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

    Mepolizumab

    Some Immunotherapeutic Agents in Clinical Use* Tables

    Meprobamate

  • in elderly

  • High-Risk Drugs in the Elderly (Based on Beers Criteria) Tables
    High-Risk Drugs in the Elderly (Based on the Beers Criteria)Tables

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

    6-Mercaptopurine

  • in cancer therapy

  • Commonly Used Antineoplastic DrugsTables

  • in inflammatory bowel disease

  • Inflammatory Bowel Disease (IBD): Immunomodulating drugs
    Crohn's Disease: Moderate to severe disease

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

  • in pregnancy

  • Drugs With Adverse Effects During PregnancyTables

    Mercury

  • hyperpigmentation and

  • Hyperpigmentation Effects of Some Drugs and ChemicalsTables

  • nephrotoxicity of

  • Tubulointerstitial Nephritis: Other heavy metals

  • poisoning with

  • Guidelines for Chelation TherapyTables
    Symptoms and Treatment of Specific Poisons Tables

    Meropenem

    Usual Doses of Commonly Prescribed AntibioticsTables
    β-Lactams: Other β-Lactams

    MERRF (myoclonic epilepsy with ragged-red fibers)

    Mitochondrial Oxidative Phosphorylation Disorders: Myoclonic epilepsy with ragged-red fibers (MERRF)
    Mitochondrial DisordersTables

    Merthiolate poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Mesalamine

    Inflammatory Bowel Disease (IBD): 5-Aminosalicylic acid (5-ASA, mesalamine)
    Crohn's Disease: Mild to moderate disease
    Ulcerative Colitis: Mild left-sided disease

    Mesangiocapillary glomerulonephritis

    Electron microscopic features in immunologic glomerular diseases.Figures
    Nephritic and Nephrotic Syndromes: Membranoproliferative Glomerulonephritis

    Mescaline

    Hallucinogens

    Mesenteric artery occlusion

    Acute Mesenteric Ischemia
    Causes of Acute Mesenteric IschemiaTables
    Abdominal Aortic Branch Occlusion

  • in neonate

  • Miscellaneous Surgical Emergencies: Mesenteric arterial occlusion

    Mesna

    Protocol for Chemotherapy With Cyclophosphamide and IV MesnaTables

  • cyclophosphamide and

  • Vasculitis: Induction of remission

    Mesomelic dysplasia

    Types of Osteochondrodysplastic DwarfismTables

    Mesoridazine

  • in elderly

  • High-Risk Drugs in the Elderly (Based on Beers Criteria) Tables
    High-Risk Drugs in the Elderly (Based on the Beers Criteria)Tables

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

    Mesothelioma

    Asbestos-Related Disorders: Mesothelioma
    Cardiac Tumors: Malignant primary tumors
    Cardiac Tumors: Symptoms and Signs

    Metabolic acidosis

    see Acidosis, metabolic

    Metabolic alkalosis

    see Alkalosis, metabolic

    Metabolic equivalents

    Cardiovascular Rehabilitation
    Endurance Exercises and Their Metabolic RequirementTables

    Metabolic syndrome

    Metabolic Syndrome
    Criteria Often Used for Diagnosis of Metabolic Syndrome*Tables
    Arterial Hypertension: Diuretics
    Atherosclerosis: Risk Factors

    Metabolism

  • inherited disorders of

  • see also specific disorders
    Inherited Disorders of Metabolism

    Metacarpal fracture

    Fractures: Metacarpal neck fractures (except thumb)

    Metacarpophalangeal joints

  • range of motion of

  • Normal Values for Range of Motion of Joints*Tables

    Metachromatic leukodystrophy

    Lysosomal Storage Disorders: Metachromatic Leukodystrophy

    Metaldehyde poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Metal fume fever

    Zinc: Toxicity

    Metals

  • contact dermatitis and

  • Causes of Allergic Contact DermatitisTables

  • hyperpigmentation and

  • Hyperpigmentation: Drug-induced hyperpigmentation
    Hyperpigmentation Effects of Some Drugs and ChemicalsTables

    Metamorphopsia

    Approach to the Ophthalmologic Patient: Visual field testing

    Metanephrines

    Pheochromocytoma: Blood tests

    Metaphyseal chondrodysplasia

    Types of Osteochondrodysplastic DwarfismTables

    Metaphyseal dysplasia

    Osteopetroses: Metaphyseal dysplasia (Pyle's disease)

    Metaplasia

  • gastric

  • Gastritis: Metaplasia

  • intestinal

  • Gastritis: Metaplasia

    Metapneumovirus infection

    Community-Acquired Pneumonia in ChildrenTables
    Respiratory Syncytial Virus (RSV) and Human Metapneumovirus Infections

    Metastases

    see also names and sites of specific cancers
    Cellular and Molecular Basis of Cancer: Tumor Growth and Metastasis

  • adrenal

  • Lung Carcinoma: Metastases

  • bone

  • Metastatic Bone Tumors
    Lung Carcinoma: Metastases

  • brain

  • Lung Carcinoma: Metastases

  • cardiac

  • Cardiac Tumors: Metastatic tumors
    Cardiac Tumors: Symptoms and Signs

  • esophageal

  • Esophageal Cancer: Other malignant tumors

  • hepatic

  • Colorectal Cancer: Surgery
    Metastatic Liver Cancer
    Lung Carcinoma: Metastases

  • neutropenia with

  • Neutropenia: Secondary neutropenia

  • orbital

  • Tumors of the Orbit: Adults

  • pain with

  • Clinical Sequelae of Cancer

  • renal

  • Metastatic Renal Cancer

  • resection of

  • Modalities of Cancer Therapy: Resection of metastases

  • spinal cord compression with

  • Clinical Sequelae of Cancer

  • of unknown primary origin

  • Metastatic Carcinoma of Unknown Primary Origin

    Metastasis

  • to choroid

  • Cancers Affecting the Retina: Choroidal metastases

    Metatarsal fracture

    Fractures: Fractures of the 2nd metatarsal bone base with dislocation (Lisfranc's fracture-dislocation)
    Stress Fractures

    Metatarsalgia

    Metatarsalgia

    Metatarsophalangeal joints

  • pain in

  • Metatarsalgia: Metatarsophalangeal Joint Pain

  • range of motion of

  • Normal Values for Range of Motion of Joints*Tables

    Metatarsus adductus

    Hip, Leg, and Foot Abnormalities: Metatarsus adductus

    Metatarsus varus

    Hip, Leg, and Foot Abnormalities: Metatarsus varus

    Metaxalone

    High-Risk Drugs in the Elderly (Based on Beers Criteria) Tables
    High-Risk Drugs in the Elderly (Based on the Beers Criteria)Tables

    Met-enkephalin

    Neurotransmission: Endorphins and enkephalins

    Metformin

    Characteristics of Oral Antihyperglycemics Tables
    Diabetes Mellitus (DM): Oral antihyperglycemic drugs
    Diabetes Mellitus (DM): Type 2
    Dyslipidemia: Secondary causes

  • in elderly

  • Drug Categories of Concern in the Elderly: Antihyperglycemics
    Drug Categories of Concern in the Elderly: Antihyperglycemics

  • folate deficiency and

  • Folate: Etiology and Pathophysiology

  • nutrient interactions with

  • Potential Vitamin-Drug InteractionsTables

  • in ovulation induction

  • Ovulatory Dysfunction: Treatment

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

  • vitamin B12 deficiency and

  • Potential Vitamin-Drug InteractionsTables

    Methacholine challenge test

    Airflow, Lung Volumes, and Flow-Volume Loop: Obstructive disorders
    Asthma: Pulmonary function tests
    Occupational Asthma: Diagnosis

    Methadone

    Opioids: Withdrawal and detoxification
    Opioid Analgesics Tables
    Equianalgesic Doses of Opioid Analgesics*Tables

  • in dying patient

  • Symptom Control in the Dying: Pain

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

  • withdrawal from

  • Opioids: Withdrawal

    Methamphetamines

  • abuse of

  • Amphetamines

  • in elderly

  • Drug-Disease Interactions in the Elderly Tables
    Drug-Disease Interactions in the ElderlyTables

  • in narcolepsy

  • Narcolepsy: Treatment

  • overdose of

  • Amphetamines: Toxicity or overdose
    Amphetamines: Toxicity or overdose

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

  • tooth decay and

  • Xerostomia : Drugs

  • withdrawal from

  • Amphetamines: Withdrawal

    Methane

  • intestinal production of

  • Gas-Related Complaints: Excessive flatus

    Methanol

  • antidote for

  • Common Specific AntidotesTables

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

    Methazolamide

    Drugs Used to Treat GlaucomaTables

    Methemoglobin, antidote for

    Common Specific AntidotesTables

    Methemoglobinemia

    Measurement of Gas Exchange: Methemoglobinemia

    Methicillin

  • neonatal dosage of

  • Recommended Dosages of Selected Parenteral Antibiotics for NeonatesTables

  • staphylococcus resistance to

  • Staphylococcal Infections: Treatment
    Antibiotic Treatment of Staphylococcal Infections in AdultsTables

    Methicillin-resistant Staphylococcus aureas (MRSA)

    Cellulitis: Etiology

    Methidathion poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Methimazole

  • in hyperthyroidism

  • Hyperthyroidism: Propylthiouracil and methimazole

  • in pregnancy

  • Thyroid Disorders in Pregnancy: Graves' disease
    Drugs With Adverse Effects During PregnancyTables

    Methiocarb poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Methionine

    Nutrition: General Considerations: ProteinsTables

  • metabolic disorders of

  • Amino Acid and Organic Acid Metabolism Disorders: Disorders of Methionine Metabolism

    Methionine synthase deficiency

    Amino Acid and Organic Acid Metabolism Disorders: Other forms of homocystinuria

    Methionine synthase reductase deficiency

    Amino Acid and Organic Acid Metabolism Disorders: Other forms of homocystinuria

    Methocarbamol, in elderly

    High-Risk Drugs in the Elderly (Based on Beers Criteria) Tables
    High-Risk Drugs in the Elderly (Based on the Beers Criteria)Tables

    Methomyl poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Methotrexate

  • in ankylosing spondylitis

  • Seronegative Spondyloarthropathies: Treatment

  • in asthma

  • Asthma: Drug therapy

  • in atopic dermatitis

  • Atopic Dermatitis: Other therapies

  • in cancer therapy

  • Commonly Used Antineoplastic DrugsTables

  • during breastfeeding

  • Drugs Contraindicated for Breastfeeding Mothers Tables

  • in ectopic pregnancy

  • Ectopic Pregnancy: Prognosis and Treatment

  • folate deficiency and

  • Potential Vitamin-Drug InteractionsTables
    Folate: Etiology and Pathophysiology

  • in inflammatory bowel disease

  • Inflammatory Bowel Disease (IBD): Immunomodulating drugs
    Crohn's Disease: Moderate to severe disease

  • in juvenile idiopathic arthritis

  • Juvenile Idiopathic Arthritis (JIA): Treatment

  • in myositis

  • Polymyositis and Dermatomyositis: Treatment

  • poisoning with

  • Symptoms and Treatment of Specific Poisons Tables

  • in psoriasis

  • Psoriasis: Systemic treatments

  • in relapsing polychondritis

  • Relapsing Polychondritis: Treatment

  • in sarcoidosis

  • Sarcoidosis: Treatment

  • in Takayasu's arteritis

  • Takayasu's Arteritis: Drugs

  • teratogenicity of

  • Cancer in Pregnancy
    Drugs With Adverse Effects During PregnancyTables

    Methotrexate in rheumatoid arthritis

    Other Drugs Used to Treat RATables
    Rheumatoid Arthritis (RA): Traditional (DMARDs)

    Methoxychlor poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Methyclothiazide

    Oral Diuretics for HypertensionTables

    Methyl alcohol poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Methylcellulose

  • in constipation

  • Agents Used to Treat ConstipationTables
    Constipation: Types of laxatives

    Methyldopa

    Arterial Hypertension: Adrenergic modifiers
    Adrenergic Modifiers for HypertensionTables

  • in elderly

  • High-Risk Drugs in the Elderly (Based on Beers Criteria) Tables
    High-Risk Drugs in the Elderly (Based on the Beers Criteria)Tables

    Methylene blue

    Common Specific AntidotesTables

    Methylenedioxymethamphetamine (MDMA, Ecstasy)

    Amphetamines: Methylenedioxymethamphetamine (Ecstasy, MDMA)

    Methylenetetrahydrofolate reductase deficiency

    Amino Acid and Organic Acid Metabolism Disorders: Other forms of homocystinuria

    Methylergonovine

    Postpartum Hemorrhage: Treatment

    Methylmalonic acid

    Vitamin B12: Diagnosis

  • excess levels of

  • Amino Acid and Organic Acid Metabolism Disorders: Methylmalonic acidemia

    N'-Methylnicotinamide

    Niacin: Diagnosis

    Methylparaben, allergy to

    Lacerations: Local anesthesia

    Methyl parathion poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Methylphenidate

    Pain: Adverse effects

  • in attention-deficit/hyperactivity disorder

  • Attention-Deficit/Hyperactivity Disorder (ADHD, ADD): Drugs

  • in dying patient

  • Symptom Control in the Dying: Depression

  • in elderly

  • Drug-Disease Interactions in the Elderly Tables
    Drug-Disease Interactions in the ElderlyTables

  • in narcolepsy

  • Narcolepsy: Treatment

    Methylprednisolone

  • in asthma

  • Drug Treatment of Chronic Asthma Tables
    Drug Treatment of Asthma Exacerbations Tables
    Asthma: Treatment of acute exacerbation

  • in COPD

  • Chronic Obstructive Pulmonary Disease (COPD): Drug therapy

  • in Goodpasture's syndrome

  • Pulmonary-Renal Syndrome: Treatment

  • in IgA nephropathy

  • Nephritic Syndrome: Treatment

  • in inflammatory bowel disease

  • Inflammatory Bowel Disease (IBD): Corticosteroids

  • in membranous nephropathy

  • Nephrotic Syndrome: Treatment

  • in rapidly progressive glomerulonephritis

  • Nephritic Syndrome: Treatment

  • in SLE

  • Systemic Lupus Erythematosus (SLE): Severe disease

  • in spinal trauma

  • Spinal Trauma: Immediate care

  • in vasculitic disorders

  • Vasculitis: Induction of remission

    Methyl salicylate poisoning

    Aspirin and Other Salicylate Poisoning

    Methyltestosterone

  • in elderly

  • High-Risk Drugs in the Elderly (Based on Beers Criteria) Tables
    High-Risk Drugs in the Elderly (Based on the Beers Criteria)Tables

    Methylxanthines

  • in asthma

  • Drug Treatment of Chronic Asthma Tables
    Asthma: Drug therapy

  • in COPD

  • Chronic Obstructive Pulmonary Disease (COPD): Drug therapy

  • in pediatric ventilation

  • Respiratory Support in Neonates and Infants: Mechanical ventilation

    Metipranolol

    Drugs Used to Treat GlaucomaTables

    Metoclopramide

    Management of Adverse Effects: Nausea and Vomiting

  • during breastfeeding

  • Drugs Contraindicated for Breastfeeding Mothers Tables

  • in elderly

  • Effect of Aging on Drug ResponseTables
    Drug-Disease Interactions in the Elderly Tables
    Effect of Aging on Drug Metabolism* and EliminationTables
    Effect of Aging on Drug ResponseTables
    Drug-Disease Interactions in the ElderlyTables

  • in hiccups

  • Hiccups: Treatment

  • in migraine

  • Migraine: Severe attacks

  • in pregnancy

  • Suggested Drugs for Nausea and Vomiting During Early PregnancyTables

    Metolazone

    Oral Diuretics for HypertensionTables

    Metoprolol

  • in aortic dissection

  • Aortic Dissection: Treatment

  • in arrhythmias

  • Antiarrhythmic Drugs (Vaughan Williams Classification) Tables

  • in coronary artery disease

  • Drugs for Coronary Artery Disease Tables

  • in heart failure

  • Heart Failure: β-Blockers

  • in hypertension

  • β -Blockers for HypertensionTables

  • in migraine

  • Drugs for Migraine and Cluster Headaches*Tables

  • pharmacogenetics of

  • Examples of Pharmacogenetic Variations Tables

    Metric system

    Metric SystemTables

    Metronidazole

    Usual Doses of Commonly Prescribed AntibioticsTables
    Metronidazole
    Some Clinical Uses of MetronidazoleTables

  • in amebiasis

  • Amebiasis: Treatment

  • in Clostridium difficile-induced diarrhea

  • Clostridium difficile–Induced Diarrhea: Treatment

  • in Crohn's disease

  • Inflammatory Bowel Disease (IBD): Antibiotics and probiotics

  • during breastfeeding

  • Drugs Contraindicated for Breastfeeding Mothers Tables

  • in giardiasis

  • Giardiasis: Treatment and Prevention

  • neonatal dosage of

  • Recommended Dosages of Selected Parenteral Antibiotics for NeonatesTables

  • in pregnancy

  • Infectious Disease in Pregnancy: Antibacterials

  • in trichomoniasis

  • Trichomoniasis: Treatment

    Metrorrhagia

    Vaginal Bleeding
    Dysfunctional Uterine Bleeding (DUB): Symptoms, Signs, and Diagnosis

    Metyrapone

    Cushing's Syndrome: Treatment

    Meunier-Kuhn syndrome

    Factors Predisposing to BronchiectasisTables

    Mexiletine

  • in arrhythmias

  • Antiarrhythmic Drugs (Vaughan Williams Classification) Tables

  • in pain

  • Drugs for Neuropathic PainTables

    Mezlocillin, neonatal dosage of

    Recommended Dosages of Selected Parenteral Antibiotics for NeonatesTables

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