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ABCDEFGHI
JKLMNOPQR
STUVWXYZ
  • 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
lalelhlilolplsluly
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Le

Lead

  • blood levels of

  • Health Supervision of the Well Child: Blood tests

  • nephrotoxicity of

  • Heavy Metal Nephropathy: Lead

  • poisoning with

  • Oral Findings in Systemic DisordersTables
    Guidelines for Chelation TherapyTables
    Lead Poisoning
    Symptoms and Treatment of Specific Poisons Tables

    Lead encephalopathy

    Cerebrospinal Fluid Abnormalities in Various DisordersTables

    Lead-pipe rigidity

    Approach to the Neurologic Patient: Motor system

    Learning disabilities

    Overview of Learning Disabilities
    Common Learning DisabilitiesTables

  • in adolescents

  • Approach to the Care of Adolescents: Psychosocial Disorders

  • attention-deficit/hyperactivity disorder and

  • Learning and Developmental Disorders: Symptoms and Signs

    Leber hereditary optic neuropathy (LHON)

    Hereditary Optic Neuropathies: Leber hereditary optic neuropathy

    Leber's hereditary optic neuropathy (LHON)

    Mitochondrial Oxidative Phosphorylation Disorders: Leber's hereditary optic neuropathy (LHON)
    Mitochondrial DisordersTables

    Lecithin-cholesterol acyl transferase

    Major Apoproteins and Enzymes Important to Lipid MetabolismTables
    Lipid Disorders: Endogenous lipid metabolism

  • deficiency of

  • Genetic (Primary) DyslipidemiasTables

    Leflunomide

    Leflunomide in rheumatoid arthritis

    Other Drugs Used to Treat Rheumatoid ArthritisTables
    Rheumatoid Arthritis (RA): Traditional disease-modifying antirheumatic drugs (DMARDs)

    Le Fort classification

    Fractures of the Jaw and Contiguous Structures
    Le Fort classification of midface fractures.Figures

    Left bundle branch block

    Bundle Branch and Fascicular Block
    Left bundle branch block.Figures

    Left ventricular assist device

    Heart Failure: Device therapy

    Left ventricular dysfunction

    see also Heart failure

    Left ventricular end-diastolic pressure

    Normal Pressures in the Heart and Great VesselsTables
    Monitoring and Testing the Critical Care Patient: Pulmonary artery occlusion pressure (PAOP)
    Heart Failure: Physiology
    Frank-Starling principle.Figures

    Leg(s)

  • amputation of

  • Peripheral Arterial Disease: Surgery
    Leg Amputation Rehabilitation

  • prosthetics for

  • Limb Prosthetics
    Types of prostheses.Figures
    Options for ProsthesesTables

  • cellulitis of

  • Cellulitis
    Differentiating Cellulitis and Deep Venous ThrombosisTables

  • claudication in

  • Peripheral Arterial Disease: Symptoms and Signs
    Peripheral Arterial Disease: Treatment

  • cutaneous nerves of

  • Cutaneous nerve distribution: lower limb.Figures

  • edema of

  • Foot Manifestations of Systemic DisordersTables
    Cardiovascular Examination: Extremities
    Peripheral Venous Disorders: Symptoms and Signs
    Chronic Venous Insufficiency and Postphlebitic Syndrome: Symptoms and Signs

  • during pregnancy

  • Lower-Extremity Edema During Late Pregnancy
    Some Causes of Edema During Late PregnancyTables
    Some Findings That Suggest PreeclampsiaTables

  • examination of

  • Cardiovascular Examination: Extremities

  • hereditary spastic paraparesis of

  • Hereditary Spastic Paraparesis

  • nocturnal cramps of

  • Parasomnias: Sleep-related leg cramps

  • pain in

  • Sciatica

  • chronic venous insufficiency and

  • Chronic Venous Insufficiency and Postphlebitic Syndrome: Symptoms and Signs

  • peripheral vascular disease in

  • see Peripheral vascular disorders

  • prosthetic

  • Therapeutic and Assistive Devices
    Leg Amputation Rehabilitation
    Leg Amputation Rehabilitation: Stump Conditioning and Prostheses

  • restless

  • Some Causes of Insomnia and Excessive Daytime SleepinessTables
    Periodic Limb Movement Disorder and Restless Legs Syndrome

  • shin splints in

  • Shin Splints

  • stasis dermatitis of

  • Stasis Dermatitis

    Legal issues

    Medicolegal Issues

  • disclosure

  • Confidentiality and HIPAA: Confidential communications

  • do-not-resuscitate order

  • Do-Not-Resuscitate (DNR) Orders and Physician Orders for Life-Sustaining Treatment (POLST)

  • dying patient and

  • Other Concerns Related to Dying: Legal and ethical concerns

  • psychiatric treatment and

  • Behavioral Emergencies: Legal Considerations

    Legg-Calvé-Perthes disease

    Osteochondroses: Legg-Calvé-Perthes Disease
    Examination for Some Commonly Missed InjuriesTables

    Legionella infection

    Community-Acquired Pneumonia
    Community-Acquired Pneumonia in Adults Tables
    Community-Acquired Pneumonia: Pathogens
    Community-Acquired Pneumonia: Prognosis
    Selective Media for Isolation of Common BacteriaTables
    Legionella Infections

  • phagocytosis in

  • Factors Facilitating Microbial Invasion: Other factors

    Legionnaires' disease

    Legionella Infections: Symptoms and Signs

    Leg(s)

  • cramps of

  • Muscle Cramps: Causes
    Some Drugs and Disorders Associated With Muscle CrampsTables

    Leigh disease

    Mitochondrial Oxidative Phosphorylation Disorders: Neurogenic muscle atrophy and retinitis pigmentosa (NARP) and Leigh disease

    Leiomyoma

  • esophageal

  • Tumors of the GI Tract

  • small-bowel

  • Small-Bowel Tumors

    Leishmaniasis

    Selected Diseases or Organisms Associated With Liver InflammationTables
    Collecting and Handling Specimens for Microscopic Diagnosis of Parasitic InfectionsTables
    Collecting and Handling Specimens for Microscopic Diagnosis of Parasitic InfectionsTables
    Serologic and Molecular Tests for Parasitic InfectionsTables
    Leishmaniasis

    Lemierre syndrome

    Peripheral Venous Disorders: Complications
    Retropharyngeal Abscess

    Lenalidomide

    Multiple Myeloma: Treatment of malignant cells

    Lennox-Gastaut syndrome

    Seizure Disorders: Generalized seizures

    Lens

    see also Contact lenses

  • examination of

  • Evaluation of the Ophthalmologic Patient: Ophthalmoscopy

  • implantof

  • Refractive Surgery: Phakic Intraocular Lenses (IOLs)

  • opacity of

  • Cataract

  • subluxation of

  • Marfan Syndrome: Ocular system

    Lensectomy

    Refractive Surgery: Clear Lensectomy

    Lenticulostriate arteries

    Arteries of the brain. Figures

    Lentigines

    Hyperpigmentation: Lentigines
    Classification of MolesTables

    Lentigo maligna melanoma

    Melanoma: Lentigo maligna melanoma
    Melanoma: Treatment

    Leopard syndrome

    Hyperpigmentation: Lentigines

    Leopold maneuvers

    Leopold maneuver. Figures

    Lepirudin

    Pulmonary Embolism: Drugs
    Some Anticoagulation Options Other Than Heparin in Thromboembolic DiseaseTables

    Leprosy

    Leprosy

  • hypercalcemia and

  • Hypercalcemia: Pathophysiology

    Leptin

    Pathways Regulating Food IntakeSidebars

    Leptospirosis

    Selected Diseases or Organisms Associated With Liver InflammationTables
    Selective Media for Isolation of Common BacteriaTables
    Leptospirosis

    Leriche syndrome

    Abdominal Aortic Branch Occlusion: Symptoms and Signs
    Peripheral Arterial Disease: Symptoms and Signs

    Lesch-Nyhan syndrome

    Gout: Pathophysiology
    Neurologic Disorders in Children: Diagnosis
    Disorders of Purine and Pyrimidine MetabolismTables
    Purine and Pyrimidine Metabolism Disorders: Disorders of Purine Salvage

    Leser-Trélat sign

    Skin Manifestations of Internal Disease: Internal cancer
    Paraneoplastic Syndromes: Cutaneous paraneoplastic syndromes

    LET (lidocaine, epinephrine, tetracaine)

    Lacerations: Local anesthesia

    Letdown reflex

    Principles of Endocrinology: Oxytocin

    Letrozole

    Commonly Used Antineoplastic DrugsTables
    Breast Cancer: Adjuvant systemic therapy
    Ovulatory Dysfunction: Treatment

    Letterer-Siwe disease

    see also Langerhans' cell histiocytosis (granulomatosis)
    Tumors of Bones and Joints: Characteristic findings
    Langerhans' Cell Histiocytosis: Letterer-Siwe disease

    Leucine

    Nutrition: General Considerations: ProteinsTables

    Leucovorin

    Congenital Toxoplasmosis: Treatment

    Leu-enkephalin

    Neurotransmission: Endorphins and enkephalins

    Leukapheresis

    Therapeutic Apheresis: Cytapheresis

    Leukemia

    Leukemias

  • acute

  • Findings at Diagnosis in the Most Common LeukemiasTables
    Acute Leukemia

  • antilymphocyte serum in

  • Immunotherapy of Cancer: Passive Humoral Immunotherapy

  • chronic

  • Findings at Diagnosis in the Most Common LeukemiasTables
    Chronic Leukemia
    Clinical Staging of Chronic Lymphocytic LeukemiaTables

  • classification of

  • French-American-British (FAB) Classification of Acute LeukemiasTables
    Leukemias: Classification

  • cytapheresis in

  • Therapeutic Apheresis: Cytapheresis

  • dental procedures in

  • Systemic Disorders and the Mouth: Hematologic disorders

  • fever in

  • Some Causes of FUOTables

  • gingivitis in

  • Gingivitis: Symptoms and Signs

  • granulocytic

  • Findings at Diagnosis in the Most Common LeukemiasTables
    Chronic Leukemia: Chronic Myelocytic Leukemia (CML)

  • hairy cell

  • Chronic Leukemia: Pathophysiology

  • liver in

  • Metastatic Liver Cancer: Hematologic Cancers and the Liver

  • lymphocytic (lymphoblastic)

  • acute

  • French-American-British (FAB) Classification of Acute LeukemiasTables
    Findings at Diagnosis in the Most Common LeukemiasTables
    Acute Leukemia: Acute Lymphocytic Leukemia (ALL)
    Immunotherapy of Cancer: Active Specific Immunotherapy

  • chronic

  • Chronic Leukemia: Chronic Lymphocytic Leukemia (CLL)
    Clinical Staging of Chronic Lymphocytic LeukemiaTables

  • lymphoma

  • Chronic Leukemia: Pathophysiology
    Chronic Leukemia: Chemotherapy

  • mast cell

  • Mastocytosis: Systemic mastocytosis

  • myeloblastic

  • Immunotherapy of Cancer: Active Specific Immunotherapy

  • myelocytic (myelogenous, myeloid)

  • French-American-British (FAB) Classification of Acute LeukemiasTables

  • acute

  • Findings at Diagnosis in the Most Common LeukemiasTables
    Acute Leukemia: Acute Myelocytic Leukemia (AML)

  • chronic

  • Chronic Leukemia: Chronic Myelocytic Leukemia (CML)

  • pseudohypokalemia in

  • Overview of Disorders of Potassium Concentration: False K concentrations

  • myelomonocytic

  • Myelodysplastic Syndrome
    Myelodysplastic Syndrome Bone Marrow Findings and SurvivalTables

  • non-Hodgkin lymphoma vs

  • Non-Hodgkin Lymphomas: Pathophysiology

  • orbital extension of

  • Tumors of the Orbit: Children

  • pneumonia with

  • Pneumonia in Immunocompromised PatientsTables

  • pregnancy and

  • Cancer in Pregnancy: Leukemia and Hodgkin lymphoma

  • promyelocytic

  • Acute Leukemia: Acute Myelocytic Leukemia (AML)

    Leukemoid reaction

    Leukemias: Classification

    Leukocyte adhesion deficiency

    Primary Immunodeficiency Disorders Tables
    Characteristic Clinical Findings in Some Primary Immunodeficiency DisordersTables
    Leukocyte Adhesion Deficiency

    Leukocyte alkaline phosphatase score

    Findings at Diagnosis in the Most Common LeukemiasTables
    Chronic Leukemia: Diagnosis

    Leukocyte esterase test

    Bacterial Urinary Tract Infections: Urine testing
    Distribution of Test Results of a Hypothetical Leukocyte Esterase Test in a Cohort of 1000 Women With an Assumed 30% Prevalence of UTITables
    Distribution of Test Results of a Hypothetical Leukocyte Esterase Test in a Cohort of 1000 Women With an Assumed 5% Prevalence of UTITables
    Interpretation of a Hypothetical Leukocyte Esterase (LE) Test Result in a Cohort of 1000 Women Assuming a 30% Prevalence of UTI (Pre-Test Probability), Test Sensitivity 71%, and Specificity 85%*Tables

  • in children

  • Urinary Tract Infection in Children (UTI): Urine tests

    Leukocytes

    see White blood cells

    Leukocytoclastic vasculitis

    Cutaneous Vasculitis

    Leukocytosis

    Approach to the Patient With Suspected Immunodeficiency: Initial testing

    Leukodystrophy

  • metachromatic

  • Lysosomal Storage DisordersTables
    Lysosomal Storage Disorders: Metachromatic Leukodystrophy

    Leukoencephalopathy

  • multifocal

  • Progressive Multifocal Leukoencephalopathy (PML)

    Leukomalacia

    Premature Infant: CNS

    Leukonychia partialis

    Kawasaki Disease (KD): Symptoms and Signs

    Leukopenia

    see also Neutropenia
    Neutropenia and Lymphocytopenia

  • cancer therapy and

  • Management of Adverse Effects of Cancer Therapy: Cytopenias

  • sarcoidosis and

  • Systemic Involvement in Sarcoidosis Tables

  • SLE and

  • Systemic Lupus Erythematosus (SLE): Hematologic manifestations

    Leukoplakia

    Oral Squamous Cell Carcinoma: Symptoms and Signs
    Evaluation of the Dental Patient: Physical examination
    Oral Growths: Dysplastic changes

  • HIV and

  • Common Manifestations of HIV Infection by Organ SystemTables

    Leukotriene modifiers

    Drug Treatment of Chronic Asthma*Tables
    Asthma and Related Disorders: Drug therapy
    Allergic, Autoimmune, and Other Hypersensitivity Disorders: Anti-inflammatory drugs

    Leuprolide acetate

    Commonly Used Antineoplastic DrugsTables

  • in endometriosis

  • Drugs Used to Treat EndometriosisTables

  • in prostate cancer

  • Prostate Cancer: Palliative therapies

  • in uterine fibroids

  • Uterine Fibroids: Drugs

    Levalbuterol

    Drug Treatment of Chronic Asthma*Tables
    Drug Treatment of Asthma Exacerbations*Tables

    Levator syndrome

    Levator Syndrome

    Levetiracetam

    Drugs Used in Seizure Disordersa Tables

  • in pregnancy

  • Some Drugs With Adverse Effects During PregnancyTables

    Levin tube

    GI Procedures for the Generalist: Nasogastric or Intestinal Intubation

    Levobetaxolol

    Drugs Used to Treat GlaucomaTables

    Levobunolol

    Drugs Used to Treat GlaucomaTables

    Levocetirizine

    Oral H1 BlockersTables

    Levodopa

    Examples of Disorders Associated With Defects in NeurotransmissionTables

  • in elderly

  • Effect of Aging on Drug Metabolism* and EliminationTables
    Effect of Aging on Drug ResponseTables
    Drug-Disease Interactions in the ElderlyTables
    Drug-Disease Interactions in the ElderlyTables
    Drug Categories of Concern in the Elderly: Antiparkinsonian drugs

  • in multiple system atrophy

  • Multiple System Atrophy: Treatment

  • in Parkinson disease

  • Parkinson Disease: Levodopa
    Some Commonly Used Oral Antiparkinsonian DrugsTables

  • vitamin B6 deficiency and

  • Potential Vitamin-Drug InteractionsTables

    Levodopa test

    Hypopituitarism in Children Resulting in Short Stature: Diagnosis

    Levofloxacin

    Usual Doses of Commonly Prescribed AntibioticsTables
    Fluoroquinolones
    FluoroquinolonesTables
    Some Clinical Uses of FluoroquinolonesTables
    Some Clinical Uses of FluoroquinolonesTables

  • in tuberculosis

  • Tuberculosis (TB): Second-line drugs

    Levomethadyl acetate (LAAM)

    Opioids: Maintenance

    Levonordefrin

    Systemic Disorders and the Mouth: Cardiovascular disorders

    Levonorgestrel

    Contraception: Emergency Contraception

  • in endometriosis

  • Drugs Used to Treat EndometriosisTables

    Levorphanol

    Opioid Analgesics Tables
    Equianalgesic Doses of Opioid Analgesics*Tables

    Lewy bodies

  • Parkinson disease and

  • Lewy Body Dementia and Parkinson Disease Dementia
    Parkinson Disease: Pathophysiology

    Lewy body dementia

    Differences Between Alzheimer Disease and Lewy Body DementiaTables
    Lewy Body Dementia and Parkinson Disease Dementia

    Leydig cells

    Male Reproductive Endocrinology and Related Disorders: Physiology

  • aplasia of

  • Male Hypogonadism in Children: Primary

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