Search
SectionsIndexSymptoms
  • Cardiovascular Disorders
  • Clinical Pharmacology
  • Critical Care Medicine
  • Dental Disorders
  • Dermatologic Disorders
  • Ear, Nose, and Throat Disorders
  • Endocrine and Metabolic Disorders
  • Eye Disorders
  • Gastrointestinal Disorders
  • Genitourinary Disorders
  • Geriatrics
  • Gynecology and Obstetrics
  • Hematology and Oncology
  • Hepatic and Biliary Disorders
  • Immunology; Allergic Disorders
  • Infectious Diseases
  • Injuries; Poisoning
  • Musculoskeletal and Connective Tissue Disorders
  • Neurologic Disorders
  • Nutritional Disorders
  • Pediatrics
  • Psychiatric Disorders
  • Pulmonary Disorders
  • Special Subjects
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
Resources
  • About The Merck Manual
  • Ready Reference Guides
  • Trade Names of Some Commonly Used Drugs
  • Normal Laboratory Values
  • Clinical Calculators
  • Multimedia
  • Selected Links
Index
lalelhlilolplsluly
Type in the first few letters of a word to get there faster:
Go

Lu

Lubiprostone

Agents Used to Treat ConstipationTables

Ludwig angina

Submandibular Space Infection

Ludwig's angina

Some Disorders of the Oral Region by Predominant Site of InvolvementTables

Lues

see Syphilis

Lumbago

see Low back pain

Lumbar puncture (spinal tap)

Neurologic Diagnostic Procedures: Lumbar puncture (spinal tap)
Cerebrospinal Fluid Abnormalities in Various DisordersTables

  • in meningitis

  • Meningitis: Diagnosis
    CSF Findings in MeningitisTables
    Acute Bacterial Meningitis: Lumbar puncture

    Lumbar spine

  • stenosis of

  • Lumbar Spinal Stenosis

  • subluxation of

  • Nontraumatic Spinal Subluxation: Spondylolisthesis

    Lumbosacral plexus

    Plexuses.Figures

    Lumbosacral plexus disorders

    Brachial Plexus and Lumbosacral Plexus Disorders

    Lumefantrine

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

    Lumpectomy

    Breast Cancer: Surgery
    Surgery for breast cancerFigures

    Lumpy jaw

    Actinomycosis

    Lunate bone

  • avascular necrosis of

  • Kienböck Disease

  • fracture of

  • Examination for Some Commonly Missed InjuriesTables

    Lund-Browder chart

    (A) Rule of nines (for adults) and (B) Lund-Browder chart (for children) for estimating extent of burns.Figures

    Lung fluke infection

    Paragonimiasis

    Lungs

    see also Pulmonary

  • α1-antitrypsin deficiency and

  • α 1-Antitrypsin Deficiency: Lungs

  • abscess of

  • Aspiration Pneumonitis and Pneumonia: Abscess
    Lung Abscess
    Infectious Causes of Cavitary Lung LesionsTables

  • acid-base balance and

  • Acid-Base Regulation and Disorders: Pulmonary regulation

  • acute injury to

  • Causes of ALI/ARDSTables
    Shock and Fluid Resuscitation: Multiple organ dysfunction syndrome (MODS)

  • aging-related changes in

  • Selected Physiologic Age-Related ChangesTables

  • air pollution-related illness of

  • Air Pollution–Related Illness

  • allergic disease of

  • see Asthma

  • in altitude sickness

  • Altitude Diseases: Pathophysiology

  • amyloidosis of

  • Amyloidosis: Symptoms and Signs

  • auscultation of

  • Approach to the Pulmonary Patient: Auscultation

  • barotrauma to

  • Barotrauma: Pulmonary Barotrauma

  • biopsy of

  • Transthoracic Needle Biopsy

  • black

  • Coal Workers' Pneumoconiosis

  • bleeding from

  • Hemoptysis
    Some Causes of HemoptysisTables
    Diffuse Alveolar Hemorrhage and Pulmonary-Renal Syndrome
    Causes of Pulmonary-Renal SyndromeTables

  • brown

  • Examples of Hypersensitivity PneumonitisTables

  • building-related diseases of

  • Building-Related Illnesses

  • bullae of

  • Chronic Obstructive Pulmonary Disease and Related Disorders: Imaging tests
    Chronic Obstructive Pulmonary Disease and Related Disorders: Surgery
    Pneumothorax: Etiology

  • cancer of

  • Classification of Primary Malignant Lung TumorsTables
    Lung Carcinoma
    Features of Lung CancerTables

  • asbestosis and

  • Asbestos-Related Disorders: Prognosis

  • non-small cell

  • Lung Carcinoma: Classification
    Features of Lung CancerTables
    Lung Carcinoma: Staging
    Lung Carcinoma: NSCLC

  • positron emission tomography in

  • Diagnostic Pulmonary Procedures: PET

  • small cell

  • Lung Carcinoma: Classification
    Features of Lung CancerTables
    Lung Carcinoma: Staging
    Lung Carcinoma: SCLC

  • solitary nodule and

  • Estimating the Probability of Cancer in a Solitary Pulmonary NoduleTables

  • staging for

  • Lung Carcinoma: Tests for initial evaluation and staging
    New International Staging System for Lung CancerTables

  • tobacco use and

  • Tobacco Use: Chronic effects

  • carcinoid tumor of

  • Bronchial Carcinoid

  • chemical-induced disease of

  • Aspiration Pneumonitis and Pneumonia: Chemical pneumonitis

  • chronic obstructive disorders of

  • see also Asthma
    see also Chronic obstructive pulmonary disease (COPD)
    Asthma and Related Disorders

  • coal workers'

  • Coal Workers' Pneumoconiosis

  • compost

  • Examples of Hypersensitivity PneumonitisTables

  • in COPD

  • Chronic Obstructive Pulmonary Disease and Related Disorders: Surgery

  • cotton-induced disease of

  • Byssinosis

  • in cystic fibrosis

  • Cystic Fibrosis (CF): Respiratory
    Cystic Fibrosis (CF): Respiratory

  • dead space of

  • Ventilatory Failure: Pathophysiology

  • disorders of, symptoms of

  • Symptoms of Pulmonary Disorders

  • drug-induced disease of

  • Drug-Induced Pulmonary Disease
    Substances With Toxic Pulmonary EffectsTables

  • during pregnancy

  • Physiology of Pregnancy: Respiratory

  • dust-induced disease of

  • Hypersensitivity Pneumonitis: Pathophysiology
    Environmental Pulmonary Diseases
    Building-Related Illnesses: Specific BRIs

  • eosinophilic disease of

  • Substances With Toxic Pulmonary EffectsTables
    Overview of Eosinophilic Pulmonary Diseases

  • eosinophilic granuloma of

  • Pulmonary Langerhans Cell Histiocytosis

  • examination of

  • Diagnostic Pulmonary Procedures

  • fetal

  • Perinatal Physiology: Pulmonary function

  • maturity of

  • Large-for-Gestational-Age(LGA) Infant: Infants of diabetic mothers
    Respiratory Distress Syndrome: Diagnosis

  • fibrosis of

  • Key Features of Idiopathic Interstitial PneumoniasTables
    Treatment and Prognosis of Idiopathic Interstitial Pneumonias*Tables
    Idiopathic Pulmonary Fibrosis
    Substances With Toxic Pulmonary EffectsTables

  • asbestos-induced

  • Asbestos-Related Disorders: Asbestosis

  • coal-induced

  • Coal Workers' Pneumoconiosis: Pathophysiology

  • silica-induced

  • Silicosis: Pathophysiology

  • function of

  • see Pulmonary function testing

  • in granulomatosis with polyangiitis and

  • Granulomatosis with Polyangiitis (GPA): Symptoms and Signs

  • hemoptysis from

  • Hemoptysis
    Some Causes of HemoptysisTables

  • hemorrhage in

  • Diffuse Alveolar Hemorrhage and Pulmonary-Renal Syndrome

  • hemosiderosis of

  • Diffuse Alveolar Hemorrhage and Pulmonary-Renal Syndrome: Pathophysiology

  • histiocyte proliferation in

  • Pulmonary Langerhans Cell Histiocytosis

  • host defenses of

  • Pneumonia

  • hot tub

  • Examples of Hypersensitivity PneumonitisTables

  • humidifier

  • Examples of Hypersensitivity PneumonitisTables

  • hypersensitivity diseases of

  • Substances With Toxic Pulmonary EffectsTables

  • occupation-related

  • Hypersensitivity Pneumonitis
    Examples of Hypersensitivity PneumonitisTables

  • idiopathic fibrosis of

  • Key Features of Idiopathic Interstitial PneumoniasTables
    Treatment and Prognosis of Idiopathic Interstitial Pneumonias*Tables
    Idiopathic Pulmonary Fibrosis

  • infection of

  • see also Pneumonia

  • bacterial

  • Pneumonia

  • barriers to

  • Host Defense Mechanisms Against Infection: Respiratory tract

  • fungal

  • Allergic Bronchopulmonary Aspergillosis (ABPA)
    Diagnostic Criteria for Allergic Bronchopulmonary AspergillosisTables
    Stages of Allergic Bronchopulmonary Aspergillosis*Tables
    Chronic Obstructive Pulmonary Disease and Related Disorders: Evaluation of exacerbations
    Aspergillosis
    Histoplasmosis

  • interstitial diseases of

  • Interstitial Lung Diseases
    Causes of Interstitial Lung DiseaseTables

  • irritant gas-induced injury to

  • Irritant Gas Inhalation Injury

  • in Langerhans cell histiocytosis

  • Pulmonary Langerhans Cell Histiocytosis: Treatment

  • lavage of

  • see Lavage

  • lymphangioleiomyomatosis of

  • Lymphangioleiomyomatosis

  • lymphocyte proliferation in

  • Key Features of Idiopathic Interstitial PneumoniasTables
    Treatment and Prognosis of Idiopathic Interstitial Pneumonias*Tables
    Lymphoid Interstitial Pneumonia

  • marijuana effects on

  • Marijuana (Cannabis): Chronic effects

  • near drowning injury to

  • Drowning: Hypoxia

  • needle aspiration of

  • Transthoracic Needle Biopsy

  • neonatal

  • Perinatal Physiology: Pulmonary function

  • nocardiosis of

  • Nocardiosis

  • obstructive disorders of

  • Flow-volume loops.Figures
    Characteristic Physiologic Changes Associated With Pulmonary DisordersTables
    Airflow, Lung Volumes, and Flow-Volume Loop: Obstructive disorders
    Severity of Obstructive and Restrictive Lung Disorders*Tables

  • occupation-related diseases of

  • Hypersensitivity Pneumonitis
    Examples of Hypersensitivity PneumonitisTables
    Environmental Pulmonary Diseases

  • postural drainage of

  • Pulmonary Rehabilitation

  • proteinosis of

  • Pulmonary Alveolar Proteinosis

  • radiation effects on

  • Focal Radiation Injury*Tables

  • rehabilitation for

  • Pulmonary Rehabilitation

  • resection of

  • in COPD

  • Chronic Obstructive Pulmonary Disease and Related Disorders: Surgery

  • restrictive disorders of

  • Flow-volume loops.Figures
    Characteristic Physiologic Changes Associated With Pulmonary DisordersTables
    Severity of Obstructive and Restrictive Lung Disorders*Tables
    Airflow, Lung Volumes, and Flow-Volume Loop: Restrictive disorders

  • silicosis of

  • Silicosis

  • in SLE

  • Systemic Lupus Erythematosus (SLE): Cardiopulmonary manifestations

  • smoke inhalation injury to

  • Smoke InhalationSidebars

  • solitary nodule of

  • Solitary Pulmonary Nodule
    Some Causes of a Solitary Pulmonary NoduleTables
    Estimating the Probability of Cancer in a Solitary Pulmonary NoduleTables

  • in systemic sclerosis

  • Systemic Sclerosis: Cardiopulmonary manifestations

  • tap water

  • Examples of Hypersensitivity PneumonitisTables

  • toxic gas-induced injury to

  • Irritant Gas Inhalation Injury

  • transfusion-related injury to

  • Complications of Transfusion: Acute lung injury

  • transplantation of

  • Chronic Obstructive Pulmonary Disease and Related Disorders: Surgery
    Lung Transplantation
    Cystic Fibrosis (CF): Other

  • in COPD

  • Chronic Obstructive Pulmonary Disease and Related Disorders: Surgery

  • in Langerhans cell histiocytosis

  • Pulmonary Langerhans Cell Histiocytosis: Treatment

  • in pulmonary hypertension

  • Pulmonary Hypertension: Pulmonary arterial hypertension, group 1

  • rejection of

  • Manifestations of Transplant Rejection by CategoryTables
    Lung Transplantation: Complications

  • trapped

  • Pleural Effusion: Etiology
    Causes of Pleural Effusion Tables
    Pleural Fibrosis and Calcification: Postinflammatory

  • tumors of

  • Tumors of the Lungs
    Classification of Primary Malignant Lung TumorsTables
    Classification of Benign Lung TumorsTables

  • vascular disease of

  • Substances With Toxic Pulmonary EffectsTables

  • ventilation/perfusion scan of

  • Diagnostic Pulmonary Procedures: V/Q scanning
    Pulmonary Embolism: Noninvasive testing
    Clinical Prediction Rule for Diagnosing Pulmonary EmbolismTables

  • ventilator-associated injury to

  • Overview of Mechanical Ventilation: Ventilator settings
    Overview of Mechanical Ventilation: Complications and safeguards

    Lupus

  • nephritis

  • Classification of Lupus NephritisTables

    Lupus anticoagulant

    Antiphospholipid Antibody Syndrome

    Lupus erythematosus

  • discoid

  • Systemic Lupus Erythematosus (SLE): Discoid lupus erythematosus (DLE)

  • drug-induced

  • Types of Drug Reactions and Typical Causative AgentsTables

  • nephritis in

  • Lupus Nephritis
    Classification of Lupus NephritisTables

  • subacute cutaneous

  • Systemic Lupus Erythematosus (SLE): Subacute cutaneous lupus erythematosus (SCLE)

  • systemic

  • see also Systemic lupus erythematosus
    Systemic Lupus Erythematosus (SLE)
    Criteria for the Classification of SLE*Tables
    Protocol for Chemotherapy With Cyclophosphamide and IV MesnaTables

    Lupus nephritis

    Lupus Nephritis

    Lupus pernio

    Systemic Involvement in Sarcoidosis Tables

    Lupus pneumonitis

    Some Causes of HemoptysisTables

    Luteinizing hormone (LH)

    Principles of Endocrinology: Luteinizing hormone (LH) and follicle-stimulating hormone (FSH)
    Male Reproductive Endocrinology and Related Disorders: Physiology

  • blood levels of

  • Generalized Hypopituitarism: Laboratory testing
    Male Reproductive Endocrinology and Related Disorders: Sexual Differentiation, Adrenarche, and Puberty

  • deficiency of

  • Generalized Hypopituitarism: Symptoms and Signs
    Selective Pituitary Hormone Deficiencies

  • isolated

  • Male Hypogonadism in Children: Secondary

  • in infertility treatment

  • Male Hypogonadism: Treatment of infertility due to hypogonadism

  • in male hypogonadism

  • Male Hypogonadism: Diagnosis of primary and secondary hypogonadism
    Male Hypogonadism in Children: Diagnosis

  • in menstrual cycle

  • Female Reproductive Endocrinology: Follicular phase
    The idealized cyclic changes in pituitary gonadotropins, estradiol (E2), progesterone (P), and uterine endometrium during the normal menstrual cycle. Figures

  • in ovulation disorders

  • Ovulatory Dysfunction: Treatment

  • at puberty

  • Female Reproductive Endocrinology
    The CNS-hypothalamic-pituitary-gonadal target organ axis. Figures
    Female Reproductive Endocrinology: Puberty

    Luxatio erecta

    Dislocations: Glenohumeral (shoulder) dislocations

    lalelhlilolplsluly
    Audio
    Figures
    Photographs
    Sidebars
    Tables
    Videos

    Copyright     © 2010-2013 Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Whitehouse Station, N.J., U.S.A.    Privacy    Terms of Use