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  • Abdominal Pain, Acute
  • Abdominal pain, Chronic
  • Alopecia
  • Amenorrhea
  • Amnesia
  • Anosmia
  • Bleeding, Excessive
  • Breast Lumps
  • Chest Pain
  • Constipation in Adults
  • Constipation in Children
  • Cough in Adults
  • Cough in Children
  • Crying
  • Diarrhea in Adults
  • Diarrhea in Children
  • Diplopia
  • Dizziness
  • Dry Mouth
  • Dysmenorrhea
  • Dyspepsia
  • Dysphagia
  • Dyspnea
  • Dysuria
  • Earache
  • Ear Discharge
  • Edema
  • Edema During Late Pregnancy
  • Epistaxis
  • Erectile dysfunction
  • Eyelid Swelling
  • Eye Pain
  • Fever
  • Fever, Acute, in Adults
  • Fever, Chronic (FUO)
  • Fever in Infants and Children
  • Floaters
  • Gas
  • Gastrointestinal Bleeding
  • Halitosis
  • Headache
  • Hearing Loss
  • Hearing Loss: Sudden Deafness
  • Hematospermia
  • Hematuria
  • Hemoptysis
  • Hiccups
  • Hirsutism
  • Insomnia and Excessive Daytime Sleepiness
  • Itching
  • Itching, Anal
  • Jaundice in Adults
  • Jaundice in Neonates
  • Joint Pain, Monarticular
  • Joint Pain, Polyarticular
  • Knee pain
  • Lump in Throat
  • Nasal Congestion and Rhinorrhea
  • Nausea and Vomiting During Early pPregnancy
  • Nausea and Vomiting in Adults
  • Nausea and Vomiting in Infants and Children
  • Neck and Back Pain
  • Neck Mass
  • Nipple Discharge
  • Orthostatis Hypotension
  • Pain
  • Pain, Chronic
  • Palpitations
  • Pelvic Pain
  • Pelvic Pain During Early Pregnancy
  • Polyuria
  • Priapism
  • Red Eye
  • Scrotal Pain
  • Sore Throat
  • Stomatitis
  • Stridor
  • Syncope
  • Tearing
  • Tinnitus
  • Toothache
  • Tremor
  • Urinary Frequency
  • Urinary Incontinence in Adults
  • Urinary Incontinence in Children
  • Urinary Retention
  • Urticaria
  • Vaginal Bleeding
  • Vaginal Bleeding During Early Pregnancy
  • Vaginal Bleeding During Late Pregnancy
  • Vaginal Itching and Discharge
  • Vision, Blurred
  • Vision Loss, Acute
  • Weakness, Generalized
  • Wheezing
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Index
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Ac

Acacitidine

Myelodysplastic Syndrome: Treatment

Acamprosate

Alcohol: Maintenance

Acanthamoeba infection

Collecting and Handling Specimens for Microscopic Diagnosis of Parasitic InfectionsTables
Free-Living Amebas: Granulomatous Amebic Encephalitis

  • corneal

  • Corneal Ulcer: Symptoms and Signs
    Corneal Ulcer: Treatment

    Acanthocytes

    RBC Morphologic Changes in Hemolytic AnemiasTables

    Acanthosis nigricans

    Skin Manifestations of Internal Disease: Internal cancer

    Acarbose

    Characteristics of Oral Antihyperglycemics Tables
    Diabetes Mellitus and Disorders of Carbohydrate Metabolism: Type 2

    Acatalasemia

    Disorders of Fatty Acid, Very Long-Chain Fatty Acid, and Glycerol MetabolismTables

    Accessory pathway reentrant tachycardia

    Reentrant Supraventricular Tachycardias (SVT, PSVT): Pathophysiology

    Acclimatization

  • high altitude

  • Altitude Diseases: Acclimatization

  • hot weather

  • Heat Illness: Prevention

    Acebutolol

  • in arrhythmias

  • Antiarrhythmic Drugs (Vaughan Williams Classification) Tables

  • during breastfeeding

  • Some Drugs Contraindicated for Breastfeeding MothersTables

  • in hypertension

  • Oral β -Blockers for HypertensionTables

    ACE inhibitors

    see Angiotensin-converting enzyme (ACE) inhibitors

    Acephate poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Aceruloplasminemia

    Hereditary Hemochromatosis: Transferrin and Ceruloplasmin Deficiency

    Acetaldehyde

    Alcoholic Liver Disease: Alcohol absorption and metabolism

    Acetaminophen

  • in children

  • Fever in infants and Children : Treatment

  • for fever

  • Fever: Treatment

  • hepatotoxicity of

  • Acetaminophen Poisoning
    Stages of Acute Acetaminophen PoisoningTables
    Rumack-Matthew nomogram for single acute acetaminophen ingestions. Figures

  • nephrotoxicity of

  • Analgesic Nephropathy

  • for pain

  • Treatment of Pain: Nonopioid Analgesics
    Nonopioid AnalgesicsTables

  • poisoning with

  • Poisoning: Testing
    Common Specific AntidotesTables
    Acetaminophen Poisoning
    Stages of Acute Acetaminophen PoisoningTables
    Rumack-Matthew nomogram for single acute acetaminophen ingestions. Figures

    Acetanilid poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Acetazolamide

  • in acute mountain sickness

  • Altitude Diseases: Drugs

  • in glaucoma

  • Drugs Used to Treat GlaucomaTables

  • in gout

  • Gout: Other treatments

  • in metabolic alkalosis

  • Metabolic Alkalosis: Treatment

  • in seizures

  • Drug Treatment of Seizures: Acetazolamide

    Acetic acid poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Acetoacetic acid

    Approach to the Genitourinary Patient: Other urine tests

    Acetohexamide

    Characteristics of Oral Antihyperglycemics Tables

    Acetone poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Acetonitrile poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Acetophenetidin poisoning

    Symptoms and Treatment of Specific Poisons Tables

    Acetylcholine

    Neurotransmission: Acetylcholine
    Autonomic Nervous System: Physiology

    Acetylcholine receptor antibodies

    Myasthenia Gravis: Diagnosis

    Acetylcholinesterase

  • in amniotic fluid

  • Genetic Evaluation: Maternal serum screening for neural tube defects

    Acetylcysteine

  • in acetaminophen poisoning

  • Common Specific AntidotesTables
    Acetaminophen Poisoning: Treatment

  • before contrast administration

  • Contrast Nephropathy: Prevention

    Acetylene gas poisoning

    Symptoms and Treatment of Specific Poisons Tables

    N-Acetylglutamate synthetase deficiency

    Disorders of Amino Acid and Organic Acid MetabolismTables
    Amino Acid and Organic Acid Metabolism Disorders: Urea Cycle Disorders

    N-Acetylprocainamide

  • in elderly

  • Effect of Aging on Drug Metabolism* and EliminationTables

    Acetylsalicylic acid

    see Aspirin

    N-Acetyltransferase

    Examples of Pharmacogenetic VariationsTables

    Achalasia

    Motility Disorders: Achalasia

    Achilles tendon

  • bursitis of

  • Disorders Associated With Heel Pain According to LocationTables
    Anterior Achilles Tendon Bursitis
    Posterior Achilles Tendon Bursitis

  • enthesopathy of

  • Disorders Associated With Heel Pain According to LocationTables
    Achilles Tendon Enthesopathy

  • sports-related injury to

  • Achilles Tendinitis

  • tear of

  • Sprains, Strains, and Tendon Tears: Achilles tendon tears
    Achilles Tendinitis

    Achlorhydria

    Host Defense Mechanisms Against Infection: GI tract

    Achondroplasia

    Craniocervical Junction Abnormalities: Congenital
    Osteochondrodysplasias
    Types of Osteochondrodysplastic DwarfismTables
    Unusual Aspects of Inheritance: Mutations and polymorphisms

    Acid

  • burns with

  • Ocular Burns: Chemical burns
    Burns: Etiology
    Burns: Initial treatment
    Caustic Ingestion

  • gastric

  • Gastritis and Peptic Ulcer Disease

  • drug reduction of

  • Drug Treatment of Gastric Acidity

  • reflux of

  • see Gastroesophageal reflux disease

  • in short bowel syndrome

  • Short Bowel Syndrome: Treatment

  • tests for

  • Diagnostic and Therapeutic GI Procedures

  • ingestion of

  • Caustic Ingestion

    Acid-base disorders

    see also Acidosis
    see also Alkalosis
    Acid-Base Regulation and Disorders
    Primary Changes and Compensations in Simple Acid-Base DisordersTables
    Clinical Consequences of Acid-Base DisordersTables
    The Anion GapSidebars
    Causes of Metabolic AcidosisTables
    Causes of Metabolic AlkalosisTables

    Acidemia

    Acid-Base Disorders
    Clinical Consequences of Acid-Base DisordersTables
    Metabolic Acidosis: Symptoms and Signs

  • glutaric

  • Disorders of Fatty Acid, Very Long-Chain Fatty Acid, and Glycerol MetabolismTables
    Fatty Acid and Glycerol Metabolism Disorders: Glutaric acidemia type II

  • isovaleric

  • Amino Acid and Organic Acid Metabolism Disorders: Isovaleric acidemia

  • methylmalonic

  • Disorders of Amino Acid and Organic Acid MetabolismTables
    Amino Acid and Organic Acid Metabolism Disorders: Methylmalonic acidemia

  • propionic

  • Disorders of Amino Acid and Organic Acid MetabolismTables
    Amino Acid and Organic Acid Metabolism Disorders: Propionic acidemia

  • ventilatory failure and

  • Ventilatory Failure: Pathophysiology

    Acid-fast stains

    Microscopy: Acid-fast and moderate (modified) acid-fast stains
    Bacteria and Antibacterial Drugs: Staining

    α1-Acid glycoprotein

    Drug Distribution to Tissues: Binding

    Acid hemolysis test (Ham's test)

    Paroxysmal Nocturnal Hemoglobinuria (PNH): Diagnosis

    Acidosis

    see also Ketoacidosis
    Acid-Base Disorders

  • gastroenteritis and

  • Gastroenteritis: Symptoms and Signs

  • hyperchloremic

  • Causes of Metabolic AcidosisTables
    Metabolic Acidosis: Normal anion gap acidosis

  • lactic

  • Metabolic Acidosis: High anion gap acidosis
    Metabolic Acidosis: Lactic Acidosis

  • metabolic

  • Acid-Base Disorders: Classification
    Primary Changes and Compensations in Simple Acid-Base DisordersTables
    Metabolic Acidosis

  • acute kidney injury and

  • Acute Kidney Injury: Diagnosis
    Acute Kidney Injury: Emergency treatment

  • anion gap in

  • Acid-Base Disorders: Diagnosis
    The Anion GapSidebars
    Causes of Metabolic AcidosisTables
    Metabolic Acidosis: Diagnosis

  • chronic kidney disease and

  • Chronic Kidney Disease: Fluid and electrolytes

  • inborn errors of metabolism and

  • Approach to the Patient With a Suspected Inherited Disorder of Metabolism: Testing

  • potassium levels and

  • Overview of Disorders of Potassium Concentration: K shifts

  • in premature infant

  • Premature Infant: Kidneys

  • septic shock and

  • Sepsis and Septic Shock: Diagnosis

  • renal tubular

  • see also Renal tubular acidosis
    Causes of Metabolic AcidosisTables
    Metabolic Acidosis: Normal anion gap acidosis
    Renal Tubular Acidosis (RTA)
    Some Features of Different Types of Renal Tubular Acidosis*Tables

  • respiratory

  • Acid-Base Disorders: Classification
    Primary Changes and Compensations in Simple Acid-Base DisordersTables
    Acid-Base Disorders: Diagnosis
    Respiratory Acidosis

  • ARDS and

  • Acute Hypoxemic Respiratory Failure (AHRF, ARDS): Mechanical ventilation in ALI/ARDS

  • ventilatory failure and

  • Ventilatory Failure: Pathophysiology

    Acid phosphatase

    Prostate Cancer: Grading and staging

    Acid steatocrit

    Malabsorption Syndromes: Confirming malabsorption

    Aciduria

  • argininosuccinic

  • Amino Acid and Organic Acid Metabolism Disorders: Urea Cycle Disorders

  • orotic

  • Disorders of Purine and Pyrimidine MetabolismTables
    Purine and Pyrimidine Metabolism Disorders: Disorders of Pyrimidine Metabolism

    Acinetobacter infection

    Acinetobacter Infections
    Risk Factors for Acinetobacter InfectionTables

  • pneumonia

  • Hospital-Acquired Pneumonia: Pathogens
    Acinetobacter Infections: Diseases Caused by Acinetobacter

    Acinic cell carcinoma

    Salivary Gland Tumors: Malignant salivary gland tumors

    Acitretin

  • in ichthyosis

  • Ichthyosis: Moisturization and keratolytics

  • in lichen planus

  • Lichen Planus: Systemic treatments and phototherapy

  • in psoriasis

  • Psoriasis: Systemic treatments

    Acne

    Acne and Related Disorders

  • corticosteroid-induced

  • Principles of Topical Dermatologic Therapy: Anti-inflammatory agents
    Acne and Related Disorders: Diagnosis

  • differential diagnosis of

  • Acne and Related Disorders: Diagnosis

  • drug treatment of

  • Acne and Related Disorders: Treatment
    How various drugs work in treating acne.Figures
    Drugs Used to Treat AcneTables

  • severity of

  • Classification of Acne SeverityTables

    Acne conglobata

    Acne and Related Disorders: Symptoms and Signs
    Acne and Related Disorders: Other forms of acne

    Acne fulminans

    Acne and Related Disorders: Symptoms and Signs
    Acne and Related Disorders: Other forms of acne

    Acneiform eruptions

    Types of Drug Reactions and Typical Causative AgentsTables

    Acne rosacea

    Rosacea

    Aconitine poisoning

    Moderately Poisonous PlantsTables

    Acoustic nerve

    see Cranial nerves, 8th (auditory, vestibulocochlear)

    Acoustic neuroma

    Approach to the Patient With Ear Problems: Testing
    Some Causes of Dizziness and VertigoTables
    Acoustic Neuroma
    Common Localizing Manifestations of Brain Tumors Tables

  • in neurofibromatosis

  • Neurofibromatosis

    Acoustic reflex

    Hearing Loss: Testing

    Acoustic trauma

    Hearing Loss: Etiology

    Acquired immunodeficiency syndrome (AIDS)

    see Human immunodeficiency virus (HIV) infection

    Acridine orange stain

    Microscopy: Fluorescent stains

    Acrivastine

    Oral H1 BlockersTables

    Acrochordons

    Skin Tags

    Acrocyanosis

    Foot Manifestations of Systemic DisordersTables
    Peripheral Arterial Disorders

    Acrodermatitis chronica atrophicans

    Lyme Disease: Late
    Guidelines for Antibiotic Treatment Lyme Disease in Adults*Tables

    Acrodermatitis continua of Hallopeau

    Subtypes of PsoriasisTables

    Acrodermatitis enteropathica

    Zinc Deficiency and Toxicity: Zinc Deficiency

    Acromegaly

    Gigantism and Acromegaly

  • in multiple endocrine neoplasia type 1

  • Multiple Endocrine Neoplasia, Type 1 (MEN 1): Diagnosis

  • teeth in

  • Evaluation of the Dental Patient: Physical examination

    Acromioclavicular joint sprain

    Sprains, Strains, and Tendon Tears: Acromioclavicular joint sprains (separation)

    Acrophobia

    Phobic Disorders: Specific phobias

    ACTH

    see Adrenocorticotropic hormone

    ACTHoma

    Pancreatic Endocrine TumorsTables

    Actin

  • antibody to

  • Laboratory Tests of the Liver and Gallbladder: Other antibodies

    Actinic atrophy

  • of lips

  • Some Disorders of the Oral Region by Predominant Site of InvolvementTables

    Actinic keratoses

    Chronic Effects of Sunlight: Actinic keratoses

    Actinic prurigo

    Photosensitivity: Polymorphous light eruption

    Actinomycin

  • in pregnancy

  • Some Drugs With Adverse Effects During PregnancyTables

    Actinomycosis

    Actinomycosis

  • cervicofacial

  • Actinomycosis

  • hepatic disease in

  • Selected Diseases or Organisms Associated With Liver InflammationTables

    Action potential

  • cardiac

  • Arrhythmias and Conduction Disorders: Electrophysiology

  • neuronal

  • Neurotransmission
    NeurotransmissionFigures

    Activated charcoal

  • in flatulence

  • Gas-Related Complaints: Treatment

  • in poisoning

  • Poisoning: Activated charcoal

    Activated protein C

    Hemostasis: Inactivation of coagulation factors
    Factor V Resistance to Activated Protein C (APC)

  • in septic shock

  • Sepsis and Septic Shock: Treatment

    Activation-induced cytidine deaminase deficiency

    Disorders of Purine and Pyrimidine MetabolismTables

    Activities of daily living

    Occupational Therapy (OT)
    Katz Activities of Daily Living ScaleTables
    Lawton Instrumental Activities of Daily Living Scale*Tables
    Evaluation of the Elderly Patient: Assessment Domains

    ACTN4 gene

    Congenital Nephrotic Syndromes: Other syndromes

    Acupuncture

    Energy Medicine: Acupuncture
    Indications for Nondrug Pain TreatmentsTables
    Rehabilitative Measures for Treatment of Pain and Inflammation: Acupuncture

    Acute abdomen

    Acute Abdominal Pain
    Location of abdominal pain and possible causes.Figures

    Acute bacterial endocarditis

    Infective Endocarditis: Classification

    Acute chest syndrome

    Sickle Cell Disease: Symptoms and Signs

    Acute coronary syndromes

    see also Myocardial infarction
    Coronary Artery Disease: Pathophysiology
    Acute Coronary Syndromes (ACS)
    Approach to acute coronary syndromes.Figures

  • atherosclerosis and

  • Atherosclerosis: Symptoms and Signs

    Acute hypoxemic respiratory failure (AHRF)

    Acute Hypoxemic Respiratory Failure (AHRF, ARDS)
    Consensus Definition of ALI/ARDSTables

    Acute interstitial pneumonia

    Acute Interstitial Pneumonia

    Acute kidney injury (AKI)

    see Renal failure
    Acute Kidney Injury
    Major Causes of Acute Kidney InjuryTables

  • chronic kidney disease vs

  • Distinguishing Acute Kidney Injury From Chronic Kidney DiseaseTables

  • laboratory tests in

  • Acute Kidney Injury: Diagnosis
    Urinary Diagnostic Indices in Prerenal Azotemia and Acute Tubular InjuryTables
    Urinary Diagnostic Indices in Prerenal Azotemia and Acute Tubular InjuryTables
    Causes of Acute Kidney Injury Based on Laboratory FindingsTables
    Causes of Acute Kidney Injury Based on Laboratory FindingsTables

  • prevention of

  • Acute Kidney Injury: Prevention

    Acute lung injury (ALI)

    Acute Hypoxemic Respiratory Failure (AHRF, ARDS): ALI/ARDS
    Consensus Definition of ALI/ARDSTables
    Causes of ALI/ARDSTables
    Shock and Fluid Resuscitation: Multiple organ dysfunction syndrome (MODS)

  • mechanical ventilation in

  • Acute Hypoxemic Respiratory Failure (AHRF, ARDS): Mechanical ventilation in ALI/ARDS
    Initial Ventilator Management in ALI/ARDSSidebars

    Acute mountain sickness

    Altitude Diseases: Acute mountain sickness (AMS)

    Acute necrotizing ulcerative gingivitis

    Stomatitis: Interpretation of findings
    Gingivitis: Acute Necrotizing Ulcerative Gingivitis (ANUG)

    Acute phase reactants

    Components of the Immune System: Acute Phase Reactants

  • in neonatal sepsis

  • Neonatal Sepsis: Other tests for infection and inflammation

    Acute radiation syndromes

    Radiation Exposure and Contamination: Acute radiation syndromes (ARS)
    Effects of Whole-Body Irradiation From External Radiation or Internal AbsorptionTables

    Acute respiratory distress syndrome (ARDS)

    Acute Hypoxemic Respiratory Failure (AHRF, ARDS)
    Consensus Definition of ALI/ARDSTables
    Causes of ALI/ARDSTables
    Shock and Fluid Resuscitation: Multiple organ dysfunction syndrome (MODS)

  • idiopathic

  • Acute Interstitial Pneumonia

  • mechanical ventilation in

  • Acute Hypoxemic Respiratory Failure (AHRF, ARDS): Mechanical ventilation in ALI/ARDS
    Initial Ventilator Management in ALI/ARDSSidebars

  • thrombocytopenia in

  • Thrombocytopenia: Other Causes: Acute respiratory distress syndrome

  • tuberculosis and

  • Tuberculosis (TB): Active disease

    Acute retroviral syndrome

    Human Immunodeficiency Virus (HIV): Symptoms and Signs

    Acute stress disorder

    Stress Disorders: Acute Stress Disorder
    Diagnosis of Acute Stress DisorderTables

  • in children and adolescents

  • Anxiety Disorders in Children and Adolescents: Acute and Posttraumatic Stress Disorders (PTSD)

    Acute tubular necrosis

    Acute Tubular Necrosis (ATN)
    Laboratory Findings Distinguishing Acute Tubular Necrosis From Prerenal AzotemiaTables

    Acute urethral syndrome

    Bacterial Urinary Tract Infections: Acute urethral syndrome
    Bacterial Urinary Tract Infections: Acute urethral syndrome

    Acyclovir

    Drugs Used to Treat Herpesvirus InfectionsTables

  • in chickenpox

  • Chickenpox: Treatment

  • crystal formation and

  • Drugs That Cause Crystal FormationTables

  • in eczema herpeticum

  • Atopic Dermatitis: Other therapies

  • in erythema multiforme

  • Erythema Multiforme: Treatment

  • in herpes simplex encephalitis

  • Encephalitis: Treatment

  • in herpes simplex keratitis

  • Herpes Simplex Keratitis: Treatment

  • in herpes simplex virus infection

  • Herpes Simplex Virus (HSV) Infections: Treatment

  • in herpetic whitlow

  • Herpetic Whitlow

  • in meningitis

  • Viral Meningitis: Treatment

  • in neonate

  • Neonatal Herpes Simplex Virus (HSV) Infection: Treatment

  • in varicella

  • Community-Acquired Pneumonia: Treatment

    Acyl-CoA oxidase 1 deficiency

    Disorders of Fatty Acid, Very Long-Chain Fatty Acid, and Glycerol MetabolismTables

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