 |
|
Near drowning
| |
Drowning
|
|
|
Nearsightedness (myopia)
| |
Symptoms: Refractive Error
Understanding Refraction
Refractive Disorders: Causes
|
|
|
in children
| |
Refractive Errors in Children
|
|
|
Near-syncope
| |
Symptoms: Light-Headedness
and Fainting
|
|
|
Nebulizer
| |
|
|
|
in allergy
| |
Allergic Reactions: Mast
Cell Stabilizers
|
|
|
in asthma
| |
Asthma: Beta-adrenergic
Agonists
Asthma in
Children: Treatment
|
|
|
in COPD
| |
Chronic Obstructive Pulmonary Disease (COPD): Treatment of Symptoms
|
|
|
Necator americanus infection (hookworm)
| |
Hookworm
Infection
Life Cycle of the Hookworm
|
|
|
Neck
| |
|
|
|
lump in
| |
Finding a Lump in the Neck
|
|
|
in children
| |
Neck
Masses
|
|
|
in thyroid cancer
| |
Cancer: Thyroid Nodules
|
|
|
pain in
| |
Neck
Pain
Disorders That Cause Only Neck Pain
|
|
|
spasms of
| |
Dystonia: Focal and Segmental
Dystonias
|
|
|
spinal cord compression at
| |
Cervical
Spondylosis
|
|
|
stiff, in meningitis
| |
Acute
Bacterial Meningitis: Symptoms
|
|
|
umbilical cord around
| |
Fetus
or Newborn Problems: Nuchal
Cord
|
|
|
Necrolysis, toxic epidermal
| |
Stevens-Johnson
Syndrome (SJS) and Toxic Epidermal Necrolysis
|
|
|
Necrolytic migratory erythema
| |
Pancreatic
Endocrine Tumors: Symptoms and
Diagnosis
|
|
|
Necrosis
| |
|
|
|
avascular
| |
Osteonecrosis
Some Risk Factors for Osteonecrosis
Osteonecrosis of the Jaw
|
|
|
in decompression sickness
| |
Decompression
Sickness: Late Effects
|
|
|
of lunate bone (Kienböck's disease)
| |
Kienböck's
Disease
|
|
|
fat, in newborn
| |
Physical
Examination
|
|
|
of kidneys
| |
Renal
Cortical Necrosis
|
|
|
skin
| |
Necrotizing
Skin Infections
|
|
|
Necrotizing cellulitis
| |
Necrotizing
Skin Infections
|
|
|
Necrotizing enterocolitis
| |
Necrotizing
Enterocolitis (NEC)
|
|
|
Necrotizing fasciitis
| |
Streptococcal
Infections: Treatment
Necrotizing
Skin Infections
|
|
|
Necrotizing pancreatitis
| |
Acute
Pancreatitis: Complications
|
|
|
Necrotizing sialometaplasia
| |
Mouth Sores: Other causes
|
|
|
Nedocromil
| |
Asthma: Mast Cell Stabilizers
Drugs Used to Treat Asthma
Allergic Reactions: Mast
Cell Stabilizers
|
|
|
Needle biopsy
| |
see Biopsy
|
|
|
Needlestick injury
| |
Human
Immunodeficiency Virus HIV Infection: Transmission
of Infection
Human
Immunodeficiency Virus HIV Infection: Prevention
|
|
|
Negativistic personality
| |
Personality Disorders: Passive-Aggressive
(Negativistic) Personality
|
|
|
Neglect
| |
|
|
|
child
| |
|
|
|
information resources on
| |
C
|
|
|
elder
| |
When to Suspect Mistreatment
Types of Mistreatment: Neglect
|
|
|
of self
| |
When People Neglect Themselves
|
|
|
Neglect, child
| |
Child Neglect and Abuse
|
|
|
Neisseria infection
| |
Other Bacterial Infections
|
|
|
conjunctivitis
| |
Infectious Conjunctivitis
|
|
|
of newborn
| |
Some Infections of Newborns
|
|
|
gonorrhea
| |
Gonorrhea
|
|
|
meninges
| |
Acute
Bacterial Meningitis: Causes
|
|
|
in traveler
| |
Problems at the Destination: Sexually
Transmitted Infections
|
|
|
urethra
| |
Urethritis: Causes
|
|
|
Nelfinavir
| |
Drugs For HIV Infection
|
|
|
Nelson's syndrome
| |
What Is Nelson's Syndrome?
|
|
|
Neobladder, orthotopic
| |
Bladder
Cancer: Treatment
|
|
|
Neomycin
| |
Antibiotics
|
|
|
Neonatal intensive care unit
| |
What Is a Neonatal Intensive Care Unit?
|
|
|
Neonatal-onset multisystem inflammatory disease
| |
Hereditary Periodic Fever Syndromes
|
|
|
Neonatal wet-lung syndrome
| |
Transient
Tachypnea
|
|
|
Neonate
| |
see Infants
|
|
|
Neostigmine
| |
Drugs Used to Treat Glaucoma
|
|
|
Nephritic syndrome
| |
Glomerulonephritis
(Nephritic Syndrome)
Secondary Causes of
Glomerulonephritis
Primary Glomerular Disorders That Can Cause Glomerulonephritis
|
|
|
Nephritis
| |
see also Glomerulonephritis
Primary Glomerular Disorders That Can Cause Nephrotic Syndrome
|
|
|
hereditary (Alport's syndrome)
| |
Glomerulonephritis
(Nephritic Syndrome): Hereditary
Nephritis
(Alport's Syndrome)
|
|
|
tubulointerstitial
| |
Tubulointerstitial
Nephritis
Secondary Causes of
Tubulointerstitial Nephritis
|
|
|
Nephroblastoma
| |
Wilms'
Tumor
|
|
|
Nephrogenic diabetes insipidus
| |
Nephrogenic
Diabetes Insipidus
Central
Diabetes Insipidus: Symptoms and Diagnosis
|
|
|
Nephrogenic systemic fibrosis
| |
Magnetic
Resonance Imaging: Disadvantages
|
|
|
Nephrolithiasis
| |
Stones
in the Urinary Tract
|
|
|
Nephronophthisis
| |
Nephronophthisis–Medullary
Cystic Disease Complex
|
|
|
Nephrons
| |
Viewing the Urinary Tract
Kidneys
Kidney's Blood Supply
|
|
|
inflammation of
| |
see Glomerulonephritis; Nephritis
|
|
|
Nephrosclerosis, malignant
| |
Malignant
Hypertensive Nephrosclerosis
|
|
|
Nephrotic syndrome
| |
Symptoms: Causes
Glomerulonephritis
(Nephritic Syndrome): Nail-Patella
Syndrome
Nephrotic
Syndrome
Secondary Causes of
Nephrotic Syndrome
Primary Glomerular Disorders That Can Cause Nephrotic Syndrome
|
|
|
congenital and infantile
| |
Primary Glomerular Disorders That Can Cause Nephrotic Syndrome
|
|
|
Nephroureterectomy
| |
Renal
Pelvis and Ureter Cancer: Treatment
|
|
|
Nerve
| |
see also Brain; Nervous system
|
|
|
in acromegaly
| |
Acromegaly
and Gigantism: Symptoms
|
|
|
alcohol injection into
| |
Trigeminal
Neuralgia: Treatment
|
|
|
biology of
| |
Nerves
Typical Structure of a Nerve Cell
|
|
|
cranial
| |
Nerves: Cranial and Spinal
Nerves
|
|
|
disorders of
| |
Cranial
Nerve Disorders
Taking the Pressure Off a Nerve
|
|
|
testing of
| |
Physical
Examination: Cranial Nerves
Testing Cranial Nerves
|
|
|
disorders of
| |
see also Neuropathy
Peripheral
Nerve Disorders
|
|
|
electrical injury to
| |
Electrical
Injuries: Symptoms
|
|
|
inflammation of
| |
see Neuritis
|
|
|
injury to, in newborn
| |
Birth
Injury: Nerve
Injury
|
|
|
in leprosy
| |
Leprosy
|
|
|
motor
| |
Nerves: Cranial and Spinal
Nerves
|
|
|
hereditary neuropathy of
| |
Hereditary
Neuropathies
|
|
|
testing of
| |
Physical
Examination: Motor and Sensory
Nerves
|
|
|
in multiple sclerosis
| |
Multiple
Sclerosis (MS)
Common Symptoms of Multiple Sclerosis
|
|
|
in muscle stimulation disorders
| |
Muscle
Stimulation Disorders
|
|
|
myelin sheath of
| |
Multiple
Sclerosis (MS) and Related Disorders
Insulating a Nerve Fiber
|
|
|
disorders of
| |
Multiple
Sclerosis (MS) and Related Disorders
|
|
|
at neuromuscular junction
| |
Neuromuscular
Junction Disorders
|
|
|
in neuropathy
| |
see Neuropathy
|
|
|
pain and
| |
see Neuralgia
|
|
|
palsy of
| |
see Palsy
|
|
|
peripheral
| |
Nerves
Using the Brain to Move a Muscle
|
|
|
disorders of
| |
Peripheral
Nerve Disorders
Overactive Nerves: Two Syndromes
When the Foot's Asleep
|
|
|
plexuses of
| |
Nerves: Cranial and Spinal
Nerves
Plexus
Disorders
Nerve Junction Boxes: The Plexuses
|
|
|
radiation injury to
| |
Radiation
Damage
|
|
|
sensory
| |
Nerves: Cranial and Spinal
Nerves
|
|
|
hereditary neuropathy of
| |
Hereditary
Neuropathies
|
|
|
testing of
| |
Physical
Examination: Motor and Sensory
Nerves
|
|
|
in skin
| |
Getting Under the Skin
Structure and Function: Dermis
|
|
|
spinal
| |
see also Spinal cord
How the Spine Is Organized
Nerves: Cranial and Spinal
Nerves
Spinal Cord Disorders
|
|
|
tests of
| |
Diagnosis: Nerve
Tests
Testing Cranial Nerves
|
|
|
Nerve block
| |
Treatment: Anesthetics
|
|
|
in labor and delivery
| |
Labor: Pain
Relief
|
|
|
Nerve cell (neuron)
| |
Biology
of the Nervous System
Brain
Nerves
Typical Structure of a Nerve Cell
Peripheral
Nerve Disorders
|
|
|
age-associated changes in
| |
Effects
of Aging: Brain
|
|
|
Nerve conduction study
| |
Diagnosis: Nerve
Tests
Procedures: Electromyography
and Nerve Conduction Studies
Diagnostic Procedures
|
|
|
Nerve roots
| |
How the Spine Is Organized
Nerves: Cranial and Spinal
Nerves
Spinal Cord Disorders
To and From and Up and Down the Spinal Cord
|
|
|
compression of
| |
Compression
of the Spinal Cord
A Herniated Disk
Low
Back Pain: Pain Due to
Compression of a Spinal Nerve Root
Low
Back Pain: Treatment
|
|
|
dermatomes of
| |
Dermatomes
|
|
|
Nerve(s)
| |
|
|
|
in foot
| |
|
|
|
damage to
| |
Pain
in the Ball of the Foot (Metatarsalgia): Damage
to the Nerves in the Foot
|
|
|
spinal
| |
To and From and Up and Down the Spinal Cord
|
|
|
Nervousness
| |
see Anxiety
|
|
|
Nervous system
| |
see also Nerve(s)
Major Organ Systems
Biology
of the Nervous System
Viewing the Brain
How the Spine Is Organized
Typical Structure of a Nerve Cell
|
|
|
age-associated changes in
| |
Effects
of Aging
Changes
in the Body: Brain
and Nervous System
|
|
|
assessment of
| |
Diagnosis
of Brain, Spinal Cord, and Nerve Disorders
What Is a Neurologic Symptom?
Mental Status Testing
Reflex Arc: A No-Brainer
How a Spinal Tap Is Done
|
|
|
autonomic
| |
see also Autonomic nervous system
Organ
Systems
Nerves: Autonomic
Nervous System
Autonomic
Nervous System Disorders: Anatomy
|
|
|
in blood pressure control
| |
High Blood Pressure: The
Body's Control of Blood Pressure
|
|
|
disorders of
| |
Autonomic
Nervous System Disorders
Some Drugs Used to Treat Symptoms of Autonomic Disorders
|
|
|
testing of
| |
Physical
Examination: Autonomic Nervous
System
|
|
|
central
| |
see Brain; Central nervous system; Spinal cord
|
|
|
peripheral
| |
see also Peripheral nerves
Nerves
|
|
|
radiation injury to
| |
Radiation
Damage
|
|
|
somatic
| |
Nerves: Somatic
Nervous System
|
|
|
tumors of
| |
Tumors
of the Nervous System
Tumors That Originate in or Near the Brain
Common Symptoms of Some Brain Tumors
Understanding Tumor Treatment
Tumors That Originate in or Near the Spinal Cord
|
|
|
in children
| |
Neuroblastoma
|
|
|
Netilmicin
| |
Antibiotics
|
|
|
Neuralgia
| |
|
|
|
glossopharyngeal
| |
Glossopharyngeal
Neuralgia
|
|
|
posterior tibial
| |
Tarsal
Tunnel Syndrome
|
|
|
postherpetic
| |
Types: Postherpetic
Neuralgia
What Is Postherpetic Neuralgia?
|
|
|
trigeminal
| |
Trigeminal
Neuralgia
Taking the Pressure Off a Nerve
|
|
|
Neural tube defects
| |
Brain
and Spinal Cord Defects: Neural Tube
Defects
Spina Bifida: A Defect of the Spine
|
|
|
folic acid deficiency and
| |
Birth Defects: Nutrition
|
|
|
prenatal testing for
| |
Genetic Disorders Detection: Neural
Tube Defects
|
|
|
Neurinoma, acoustic
| |
Auditory
Nerve Tumors
|
|
|
Neuritis
| |
|
|
|
brachial
| |
Plexus
Disorders: Causes
|
|
|
optic
| |
Optic
Neuritis
|
|
|
Neuroblastoma
| |
Neuroblastoma
|
|
|
paraneoplastic syndromes in
| |
What Are Paraneoplastic Syndromes?
|
|
|
Neurodermatitis (localized scratch dermatitis)
| |
Dermatitis: Localized
Scratch Dermatitis
|
|
|
Neuroendovascular surgery
| |
Hemorrhagic
Stroke: Treatment
|
|
|
Neurofibroma, small intestine
| |
Small
Intestine Tumors That Are Noncancerous
|
|
|
Neurofibromatosis
| |
Neurofibromatosis
|
|
|
pheochromocytoma in
| |
Pheochromocytoma
|
|
|
Neurogenic bladder
| |
Urinary Incontinence: Overflow
Incontinence
|
|
|
Neuroleptic malignant syndrome
| |
What Is Neuroleptic Malignant Syndrome?
Schizophrenia: Antipsychotic Drugs
|
|
|
Neurologic examination
| |
Diagnosis
of Brain, Spinal Cord, and Nerve Disorders
What Is a Neurologic Symptom?
Mental Status Testing
Reflex Arc: A No-Brainer
|
|
|
Neuroma
| |
|
|
|
acoustic
| |
Auditory
Nerve Tumors
|
|
|
Morton's
| |
Pain
in the Ball of the Foot (Metatarsalgia): Causes
|
|
|
in multiple endocrine neoplasia
| |
Multiple Endocrine Neoplasia Syndromes: Type 2B Disease
|
|
|
Neuromuscular junction
| |
Neuromuscular
Junction Disorders
|
|
|
disorders of
| |
Neuromuscular
Junction Disorders
|
|
|
Neuromyelitis optica
| |
Other
Primary Demyelinating Diseases: Neuromyelitis
Optica
|
|
|
Neuron (nerve cell)
| |
Biology
of the Nervous System
Brain
Nerves
Typical Structure of a Nerve Cell
Peripheral
Nerve Disorders
|
|
|
age-associated changes in
| |
Effects
of Aging: Brain
|
|
|
Neuronitis, vestibular
| |
Vestibular
Neuronitis
|
|
|
Neuropathic pain
| |
Types: Neuropathic
Pain
|
|
|
Neuropathy
| |
Multiple
Mononeuropathy
|
|
|
autonomic
| |
Autonomic Neuropathies
|
|
|
in cancer
| |
What Are Paraneoplastic Syndromes?
|
|
|
compression
| |
Nerve
Compression Syndromes
|
|
|
in diabetes
| |
Polyneuropathy: Causes
Diabetes Mellitus (DM): Complications
Long-Term Complications of Diabetes
|
|
|
hereditary
| |
Hereditary
Neuropathies
|
|
|
inflammatory demyelinating (Guillain-Barré syndrome)
| |
Polyneuropathy: Guillain-Barré
Syndrome
|
|
|
in Lyme disease
| |
Lyme
Disease: Early-Disseminated
Stage
|
|
|
multiple-nerve (polyneuropathy)
| |
Polyneuropathy
|
|
|
optic
| |
Ischemic Optic
Neuropathy
|
|
|
Leber's hereditary
| |
Other
Primary Demyelinating Diseases: Leber's Hereditary
Optic Neuropathy
|
|
|
single-nerve (mononeuropathy)
| |
Mononeuropathy
When the Foot's Asleep
|
|
|
ulnar
| |
Nerve
Compression Syndromes: Cubital
Tunnel Syndrome
|
|
|
in vitamin B12 deficiency
| |
Vitamin
B12: Symptoms
|
|
|
Neurosyphilis
| |
Syphilis: Tertiary (Third)
Stage
|
|
|
Neurotoxins
| |
Neuromuscular
Junction Disorders: Botulism
Chemical Food
Poisoning: Shellfish Poisoning
|
|
|
Neurotransmitters
| |
Biology
of the Nervous System
|
|
|
Neutropenia
| |
Neutropenia
|
|
|
with cancer treatment
| |
Chemotherapy: Low
Blood Cell Counts
|
|
|
Neutrophil(s)
| |
Components
of Blood: White
Blood Cells
Understanding the Immune System
Innate
Immunity: Neutrophils
|
|
|
in chronic granulomatous disease
| |
Chronic
Granulomatous Disease
|
|
|
high levels of (leukocytosis)
| |
Neutrophilic
Leukocytosis
|
|
|
in infection
| |
Defenses
Against Infection: The Blood
|
|
|
low levels of (neutropenia)
| |
Neutropenia
|
|
|
with cancer treatment
| |
Chemotherapy: Low
Blood Cell Counts
|
|
|
Neutrophilic leukocytosis
| |
Neutrophilic
Leukocytosis
|
|
|
Nevi (moles)
| |
Moles
Melanoma: Diagnosis
|
|
|
Nevi flammeus
| |
Growths
and Malformations of the Vessels: Port-wine
Stain
|
|
|
Nevirapine
| |
Drugs For HIV Infection
|
|
|
Newborn
| |
see also Infants
|
|
|
abdominal pain in
| |
Abdominal Pain in Newborns, Infants, and Young Children
|
|
|
birth defects in
| |
Birth Defects
Other Birth Defects
Patent Ductus Arteriosus: Failure to Close
Septal Defect: A Hole in the Heart's Wall
Tetralogy of Fallot: Four Defects
Atresia and Fistula: Defects in the Esophagus
Cleft Lip and Cleft Palate: Defects of the Face
Common Types of Clubfoot
Spina Bifida: A Defect of the Spine
|
|
|
birth injury to
| |
Birth
Injury
|
|
|
bleeding in
| |
Physical
Examination
Birth
Injury: Head
and Brain Injury
|
|
|
cytomegalovirus infection in
| |
Cytomegalovirus (CMV) Infection
|
|
|
development of
| |
Physical
Development
An Infant's First Year: Physical Development
An Infant's First Year: Developmental Milestones
|
|
|
feeding of
| |
Feeding
Positioning a Baby to Breastfeed
|
|
|
in necrotizing enterocolitis
| |
Necrotizing
Enterocolitis (NEC): Prevention and
Treatment
|
|
|
hemolytic disease of
| |
Rh
Incompatibility
Anemia
in the Newborn
What Is Hemolytic Disease of the Newborn?
|
|
|
hemorrhagic disease of
| |
Vitamin K: Vitamin
K Deficiency
|
|
|
herpes simplex virus infection in
| |
Herpes
Simplex Virus Infections: Other Infections
and Complications
|
|
|
HIV infection in
| |
Infections
During Pregnancy
|
|
|
infections in
| |
Some Infections of Newborns
|
|
|
initial care of
| |
Initial
Care
Cutting the Umbilical Cord
Normal Circulation in a Fetus
|
|
|
jaundice in
| |
Hyperbilirubinemia
What Is Hemolytic Disease of the Newborn?
|
|
|
normal
| |
Newborns
and Infants
Three Common Reflexes of Newborns
|
|
|
physical examination of
| |
Physical
Examination
Three Common Reflexes of Newborns
|
|
|
problems in
| |
Problems
in Newborns
What Is a Neonatal Intensive Care Unit?
Common Birthmarks and Minor Skin Markings in Newborns
Physical Features of a Premature Newborn
|
|
|
resuscitation of
| |
Fetus
or Newborn Problems: Breathing
Problems
|
|
|
seizures in
| |
Seizures in
Children
Some Causes of Seizures in Newborns and Infants
|
|
|
toxoplasmosis in
| |
Toxoplasmosis: Symptoms
|
|
|
vaginal discharge in
| |
Symptoms: Vaginal
Discharge
|
