 |
|
Near drowning
| |
Drowning
|
|
|
Nearsightedness (myopia)
| |
Understanding Refraction
Refractive Disorders: Causes
|
|
|
in children
| |
Refractive Errors in Children
|
|
|
Near syncope
| |
Fainting
Fainting: What the doctor does
|
|
|
Nebulizer
| |
|
|
|
in allergy
| |
Allergic Reactions and Other Hypersensitivity Disorders:
Mast cell stabilizers
Some Drugs Used to Treat Allergies: Available Forms
|
|
|
in asthma
| |
Asthma: Beta-Adrenergic Agonists
Respiratory Disorders 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
| |
|
|
|
craniocervical junction disorders and
| |
Craniocervical Junction Disorders
|
|
|
lump in
| |
Neck Lump
|
|
|
in children
| |
Neck Masses in Children
|
|
|
in thyroid cancer
| |
Thyroid Cancer: Thyroid nodules
|
|
|
pain in
| |
Neck Pain
Neck Pain: What the doctor does
Craniocervical Junction Disorders: Symptoms
|
|
|
spasms of
| |
Dystonia: Focal and Segmental Dystonias
|
|
|
spinal cord compression at
| |
Cervical Spondylosis
|
|
|
stiff, in meningitis
| |
Acute Bacterial Meningitis: Symptoms
Viral Meningitis: Symptoms
|
|
|
umbilical cord around
| |
Fetus or Newborn Problems During Delivery:
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 the Newborn
|
|
|
of kidneys
| |
Renal Cortical Necrosis
|
|
|
skin
| |
Necrotizing Skin Infections
|
|
|
Necrotizing cellulitis
| |
Necrotizing Skin Infections
|
|
|
Necrotizing enterocolitis
| |
Necrotizing Enterocolitis (NEC)
|
|
|
Necrotizing external otitis
| |
Ear Discharge: Causes
Some Causes and Features of Ear Discharge
|
|
|
Necrotizing fasciitis
| |
Streptococcal Infections: Treatment
Necrotizing Skin Infections
|
|
|
Necrotizing otitis externa
| |
Some Causes and Features of Ear Discharge
|
|
|
Necrotizing pancreatitis
| |
Acute Pancreatitis: Complications
|
|
|
Necrotizing sialometaplasia
| |
Mouth Sores: Other causes
|
|
|
Nedocromil
| |
Asthma: Mast Cell Stabilizers
Drugs Used to Treat Asthma
|
|
|
Needle biopsy
| |
see Biopsy
|
|
|
Needlestick injury
| |
Human Immunodeficiency Virus HIV Infection:
Transmission of Infection
Human Immunodeficiency Virus HIV Infection:
Prevention
|
|
|
Neglect
| |
|
|
|
child
| |
|
|
|
information resources on
| |
|
|
|
elder
| |
When to Suspect Mistreatment
Types of Elder 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
|
|
|
in traveler
| |
Problems at the Destination:
Sexually Transmitted Diseases
|
|
|
urethra
| |
Urethritis: Causes
|
|
|
Nelfinavir
| |
Drugs For HIV Infection
|
|
|
Nelson syndrome
| |
What Is Nelson 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
| |
Nephrotic Syndrome
Secondary Causes of Nephrotic Syndrome
Primary Glomerular Disorders That Can Cause Nephrotic Syndrome
Nail-Patella Syndrome
|
|
|
congenital and infantile
| |
Primary Glomerular Disorders That Can Cause Nephrotic Syndrome
|
|
|
swelling (edema) and
| |
Swelling: What the doctor does
|
|
|
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
|
|
|
biopsy of
| |
Tests for Brain, Spinal Cord, and Nerve Disorders:
Muscle and nerve
|
|
|
cranial
| |
Nerves: Cranial and Spinal Nerves
Viewing the Cranial Nerves
|
|
|
disorders of
| |
Cranial Nerve Disorders
Taking the Pressure Off a Nerve
|
|
|
testing of
| |
Physical Examination: Cranial nerves
Testing Cranial Nerves
|
|
|
damage to
| |
|
|
|
muscle weakness and
| |
Some Causes and Features of Muscle Weakness
|
|
|
disorders of
| |
see also Neuropathy
Peripheral Nerve Disorders
|
|
|
erectile dysfunction and
| |
Erectile Dysfunction (ED):
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 nerves
|
|
|
in multiple sclerosis
| |
Multiple Sclerosis (MS)
Common Symptoms of Multiple Sclerosis
|
|
|
in muscle stimulation disorders
| |
Amyotrophic Lateral Sclerosis and Other Motor Neuron Diseases
|
|
|
myelin sheath of
| |
Multiple Sclerosis (MS) and Related Disorders
Insulating a Nerve Fiber
|
|
|
disorders of
| |
Multiple Sclerosis (MS) and Related Disorders
|
|
|
at neuromuscular junction
| |
Overview of 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 Is Asleep
|
|
|
weakness and
| |
Weakness: What the doctor does
|
|
|
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:
Sensory nerves
|
|
|
in skin
| |
Getting Under the Skin
Structure and Function of the Skin:
Dermis
|
|
|
spinal
| |
see also Spinal cord
How the Spine Is Organized
Nerves: Cranial and Spinal Nerves
Spinal Cord Disorders
|
|
|
tests of
| |
Tests for Musculoskeletal Disorders:
Nerve Tests
Testing Cranial Nerves
|
|
|
Nerve block
| |
Treatment of Pain:
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 on the Nervous System: Brain
|
|
|
Nerve conduction study
| |
Tests for Musculoskeletal Disorders:
Nerve Tests
Tests for Brain, Spinal Cord, and Nerve Disorders:
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
| |
Low Back and Neck Pain: Types
A Herniated Disk
Some Causes and Features of Low Back Pain
Neck Pain: What the doctor does
Compression of the Spinal Cord
|
|
|
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 on the Nervous System
Changes in the Body With Aging:
Brain and Nervous System
|
|
|
assessment of
| |
Symptoms and 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
|
|
|
disorders of
| |
|
|
|
numbness and
| |
Numbness
Some Causes and Features of Numbness
|
|
|
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 of Pain:
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
| |
Acoustic Neuroma
|
|
|
Neuritis
| |
|
|
|
brachial
| |
Plexus Disorders: Causes
|
|
|
optic
| |
Eye Pain: What the doctor does
Some Causes and Features of Blurred Vision
Some Causes and Features of Sudden Loss of Vision
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
| |
Neurogenic Bladder
|
|
|
Neuroleptic malignant syndrome
| |
What Is Neuroleptic Malignant Syndrome?
Schizophrenia: Antipsychotic Drugs
|
|
|
Neurologic examination
| |
Symptoms and Diagnosis of Brain, Spinal Cord, and Nerve Disorders
What Is a Neurologic Symptom?
Mental Status Testing
Reflex Arc: A No-Brainer
|
|
|
Neuroma
| |
|
|
|
acoustic
| |
Some Causes and Features of Dizziness and Vertigo
Acoustic Neuroma
|
|
|
Morton
| |
Pain in the Ball of the Foot (Metatarsalgia):
Damage to the Nerves in the Foot
|
|
|
in multiple endocrine neoplasia
| |
Multiple Endocrine Neoplasia Syndromes: Type 2B disease
|
|
|
Neuromuscular junction
| |
Overview of Neuromuscular Junction Disorders
|
|
|
disorders of
| |
Some Causes and Features of Muscle Weakness
Overview of Neuromuscular Junction Disorders
Overview 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 on the Nervous System: Brain
|
|
|
Neuronitis
| |
|
|
|
vestibular
| |
Some Causes and Features of Dizziness and Vertigo
Vestibular Neuronitis
|
|
|
viral (herpes zoster oticus)
| |
Herpes Zoster Oticus
|
|
|
Neuropathic pain
| |
Types of Pain:
Neuropathic Pain
|
|
|
Neuropathy
| |
Multiple Mononeuropathy
|
|
|
autonomic
| |
Autonomic Neuropathies
|
|
|
in cancer
| |
What Are Paraneoplastic Syndromes?
|
|
|
compression
| |
Nerve Compression Syndromes
|
|
|
in diabetes
| |
Diabetes Mellitus (DM):
Complications
Long-Term Complications of Diabetes
|
|
|
hereditary
| |
Hereditary Neuropathies
|
|
|
inflammatory demyelinating (Guillain-Barré syndrome)
| |
Guillain-Barré Syndrome
|
|
|
in Lyme disease
| |
Lyme Disease: Early-Disseminated Stage
|
|
|
multiple nerve
| |
Polyneuropathy
|
|
|
optic
| |
Ischemic Optic Neuropathy
|
|
|
hereditary
| |
Hereditary Optic Nerve Disorders (Hereditary Optic Neuropathies)
|
|
|
Leber's hereditary
| |
Other Primary Demyelinating Diseases: Leber's Hereditary Optic Neuropathy
|
|
|
single-nerve (mononeuropathy)
| |
Mononeuropathy
When the Foot Is Asleep
|
|
|
ulnar
| |
Nerve Compression Syndromes:
Cubital Tunnel Syndrome
|
|
|
in vitamin B12 deficiency
| |
Vitamin B12: Symptoms
|
|
|
Neurosyphilis
| |
Syphilis: Tertiary (Third) Stage
|
|
|
Neurotoxins
| |
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 of the Newborn
Birth Injury:
Head and Brain Injury
|
|
|
cytomegalovirus infection in
| |
Cytomegalovirus (CMV) Infection
|
|
|
development of
| |
Physical Development of Infants
An Infant's First Year: Physical Development
An Infant's First Year: Developmental Milestones
|
|
|
feeding of
| |
Feeding of Newborns and Infants
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
| |
Newborns and Infants
Cutting the Umbilical Cord
Normal Circulation in a Fetus
|
|
|
jaundice in
| |
Jaundice in the Newborn
What Is Hemolytic Disease of the Newborn?
|
|
|
normal
| |
Newborns and Infants
Three Common Reflexes of Newborns
|
|
|
physical examination of
| |
Physical Examination of the Newborn
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 During Delivery:
Breathing Problems
|
|
|
seizures in
| |
Neurologic Disorders in Children
Some Causes of Seizures in Newborns and Infants
|
|
|
toxoplasmosis in
| |
Toxoplasmosis: Symptoms
|
|
|
vaginal discharge in
| |
Vaginal Discharge: Normal discharge
|