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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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LA

LAAM (levomethadyl acetate)

Opioids: Maintenance

Labetalol

  • in aortic dissection

  • Aortic Dissection: Treatment

  • in hypertensive emergency

  • Parenteral Drugs for Hypertensive EmergenciesTables
    Hypertensive Emergencies: Treatment

  • in pregnancy

  • Hypertension in Pregnancy: Drugs

    Labor and delivery

    see also Birth
    Management of Normal Labor
    Management of Normal Delivery
    Sequence of events in delivery for vertex presentations. Figures

  • abnormal presentations during

  • Fetal Dystocia: Occiput posterior presentation
    Approach to the Care of Normal Infants and Children: Head and neck

  • analgesia for

  • Management of Normal Labor: Analgesia

  • anesthesia for

  • Management of Normal Labor: Analgesia
    Management of Normal Delivery: Anesthesia

  • breech presentation during

  • Fetal Dystocia: Breech presentation

  • cardiac output during

  • Heart Disorders in Pregnancy: Pathophysiology

  • care after

  • Postpartum Care and Associated Disorders
    Normal Postpartum ChangesTables

  • complications of

  • Management of Normal Labor: Birthing options
    Abnormalities and Complications of Labor and Delivery

  • diabetes mellitus and

  • Diabetes Mellitus in Pregnancy (Gestational Diabetes): Labor and delivery

  • dystocia in

  • Fetal Dystocia

  • fetal monitoring during

  • Management of Normal Labor: Fetal Monitoring
    Small-for-Gestational-Age (SGA) Infant: Complications

  • fetopelvic disproportion during

  • Fetal Dystocia: Fetopelvic disproportion

  • forceps for

  • Management of Normal Delivery: Delivery Procedures

  • head molding during

  • Approach to the Care of Normal Infants and Children: Head and neck

  • hemorrhage after

  • Postpartum Hemorrhage
    Perinatal Hematologic Disorders: Blood loss

  • induction of

  • Alternatives to Spontaneous Labor and Delivery: Induction of Labor

  • infection with

  • Infections in Neonates

  • inverted uterus and

  • Inverted Uterus

  • Leopold maneuvers for

  • Leopold maneuver. Figures

  • meconium aspiration during

  • Meconium Aspiration Syndrome

  • occiput posterior presentation during

  • Fetal Dystocia: Occiput posterior presentation

  • premature rupture of membranes and

  • Management of Normal Labor: Rupture of membranes
    Premature Rupture of Membranes (PROM)

  • preterm

  • see also Premature infant
    Risk Factors for Complications During Pregnancy: Prior preterm delivery
    Preterm Labor

  • protracted

  • Protracted Labor

  • Ringer's lactate during

  • Management of Normal Labor: Preparation for delivery

  • shoulder dystocia during

  • Fetal Dystocia: Shoulder dystocia

  • stages of

  • Management of Normal Labor: Stages of labor

  • transverse lie during

  • Fetal Dystocia: Transverse lie

  • umbilical cord prolapse and

  • Umbilical Cord Prolapse

  • uterine rupture and

  • Uterine Rupture

    Laboratory tests

    see also specific tests

  • in acute kidney injury

  • Causes of Acute Kidney Injury Based on Laboratory FindingsTables

  • in clinical decision making

  • Testing
    Distributions of test results.Figures
    Typical receiver operating characteristic (ROC) curve.Figures
    Distribution of Hypothetical Test ResultsTables
    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
    Testing: Testing Thresholds

  • false-negative

  • Testing
    Distributions of test results.Figures
    Distribution of Hypothetical Test ResultsTables
    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

  • false-positive

  • Testing
    Distributions of test results.Figures
    Distribution of Hypothetical Test ResultsTables
    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

  • likelihood ratio in

  • Testing: Likelihood ratios (LRs)
    Fagan nomogram.Figures
    Fagan nomogram used to determine need to test.Figures

  • odds-likelihood formulation for

  • Testing: Odds-likelihood nomogram
    Fagan nomogram.Figures

  • preoperative

  • Preoperative Evaluation: Testing

  • sensitivity of

  • Distributions of test results.Figures
    Testing: Sensitivity, specificity, and predictive values

  • specificity of

  • Distributions of test results.Figures
    Testing: Sensitivity, specificity, and predictive values

  • threshold for

  • Clinical Decision-Making Strategies: Probability Estimations and the Treatment Threshold

  • units of measurement for

  • Ready Reference Guides

    Laboratory worker's lung

    Examples of Hypersensitivity PneumonitisTables

    Labyrinthitis

    Some Causes of Dizziness and VertigoTables
    Purulent Labyrinthitis

    Lacerations

    Lacerations
    Suture MaterialsTables
    Simple deep dermal suture.Figures
    Simple cutaneous suture.Figures
    Suture spacing.Figures
    Vertical mattress suture.Figures
    Running suture.Figures

  • ear

  • External Ear Trauma: Lacerations

  • ocular

  • Eye Contusions and Lacerations

    Lachman's test

    Knee Sprains and Meniscal Injuries: Diagnosis

    Lacrimal apparatus

    Anatomy of the lacrimal system.Figures

  • obstruction of

  • Tearing
    Some Causes of TearingTables

  • palpation of

  • Evaluation of the Ophthalmologic Patient: Eyelid and conjunctival examination

    Lacrimal sac

    Anatomy of the lacrimal system.Figures

  • infection of

  • Dacryocystitis

    Lacrimal system

  • disorders of

  • Eyelid and Lacrimal Disorders

    La Crosse encephalitis

    Arbovirus, Arenavirus, and Filovirus DiseasesTables
    Encephalitis: Primary viral infectionTables

    b-Lactam antibiotics

    see also Penicillin
    Overview of Antibacterial Drugs: Effectiveness
    Usual Doses of Commonly Prescribed AntibioticsTables
    β-Lactams

    Lactase deficiency

    Gas-Related Complaints: Excessive flatus
    Carbohydrate Intolerance

    Lactate

  • serum

  • in shock

  • Intravenous Fluid Resuscitation: End Point and Monitoring

    Lactate dehydrogenase (LDH)

  • in anemia

  • Evaluation of Anemia: Testing

  • disease-related alterations in

  • Laboratory Tests of the Liver and Gallbladder: Lactate dehydrogenase

    Lactation

    see also Breastfeeding
    see also Breast milk
    Postpartum Care and Associated Disorders: Breast engorgement

  • abnormal

  • Galactorrhea

  • suppression of

  • Postpartum Care and Associated Disorders: Breast engorgement

    Lactic acidosis

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

    Lactobionate

    Usual Doses of Commonly Prescribed AntibioticsTables

    Lactose-H2 breath test

    Malabsorption Syndromes: Diagnosing the cause of malabsorption
    Carbohydrate Intolerance: Diagnosis

    Lactose intolerance

    Carbohydrate Intolerance

  • diarrhea with

  • Diarrhea: Osmotic load
    Dietary Factors That May Worsen DiarrheaTables

  • irritable bowel syndrome and

  • Irritable Bowel Syndrome (IBS): Diet

  • protein-energy undernutrition and

  • Protein-Energy Undernutrition: Treatment

  • test for

  • Carbohydrate Intolerance: Diagnosis

    Lactose tolerance test

    Carbohydrate Intolerance: Diagnosis

    Lactotrophs

    Principles of Endocrinology: Prolactin

    Lactulose

  • constipation and

  • Agents Used to Treat ConstipationTables
    Constipation: Types of laxatives
    Treatment of ConstipationTables

  • diarrhea and

  • Diarrhea: Osmotic load

  • in portosystemic encephalopathy

  • Portosystemic Encephalopathy: Treatment

    Lacunar infarct

    Selected Stroke SyndromesTables
    Ischemic Stroke: Lacunar infarcts
    Ischemic Stroke: Symptoms and Signs

    Laguna Negra virus infection

    Hantavirus Infection: Hantavirus Pulmonary Syndrome (HPS)

    Lambert-Eaton syndrome

    Examples of Disorders Associated With Defects in NeurotransmissionTables

    Lamin A

    Progeria

    Laminaria

    Induced Abortion: Instrumental evacuation

    Lamivudine

    Antiretroviral Drugs Tables
    Human Immunodeficiency Virus (HIV): Treatment

  • in children

  • Dosage and Administration of Antiretroviral Drugs for Childrena Tables

  • in chronic hepatitis B

  • Comparison of Drugs Commonly Used to Treat Chronic Viral Hepatitis BTables
    Chronic Hepatitis: HBV

    Lamotrigine

  • in bipolar disorder

  • Bipolar Disorders: Anticonvulsants
    Selected Drugs for Bipolar Disorder*Tables

  • during breastfeeding

  • Some Drugs Contraindicated for Breastfeeding MothersTables

  • in pregnancy

  • Some Drugs With Adverse Effects During PregnancyTables

  • in seizures

  • Drugs Used in Seizure Disordersa Tables

    Langer-Giedion syndrome

    Examples of Contiguous Gene Deletion SyndromesTables

    Langerhans cell

    Components of the Immune System: Antigen-Presenting Cells

    Langerhans' cell histiocytosis (granulomatosis)

    Tumors of Bones and Joints: Characteristic findings
    Langerhans' Cell Histiocytosis

  • pulmonary

  • Pulmonary Langerhans Cell Histiocytosis

    Language

  • development of

  • Childhood Development: Language Development

  • autism and

  • Autism Spectrum Disorders (ASD): Symptoms and Signs

  • dyslexia and

  • Dyslexia: Symptoms and Signs

  • loss of

  • Aphasia

    Lanreotide

    Gigantism and Acromegaly: Treatment

    Lansoprazole

    Some Oral Drugs for DyspepsiaTables
    Drug Treatment of Gastric Acidity: Proton pump inhibitors
    Proton Pump InhibitorsTables

  • in gastroesophageal reflux disease

  • Gastroesophageal Reflux Disease (GERD): Treatment

  • in Helicobacter pylori infection

  • Helicobacter pylori Infection : Treatment

    Lanthanum carbonate

    Medical Aspects of Long-Term Renal Replacement Therapy: Hyperphosphatemia

    Laparoscopy

    Laparoscopy

  • in appendicitis

  • Appendicitis: Diagnosis

  • in gynecologic evaluation

  • Approach to the Gynecologic Patient: Laparoscopy

    Laparotomy

    Foreign Bodies in the GI Tract: Gastric and intestinal foreign bodies

  • abdominal trauma and

  • Abdominal Trauma: Laparotomy

    Large-for-gestational-age infant

    Level of intrauterine growth based on birth weight and gestational age of liveborn, single, white infants. Figures
    Large-for-Gestational-Age(LGA) Infant

    Large intestine

    see Colon

    Larsen's syndrome

    Hip, Leg, and Foot Abnormalities: Knee dislocation

    Larva migrans

    Cutaneous Larva Migrans
    Hookworm Infection: Symptoms and Signs

  • ocular

  • Toxocariasis

  • visceral

  • Toxocariasis

    Laryngeal mask airway

    Airway Establishment and Control: Laryngeal mask airways (LMAs)
    Laryngeal mask airway (LMA).Figures

    Laryngectomy

    Laryngeal Cancer: Treatment

    Laryngitis

    Laryngitis

    Laryngoceles

    Laryngoceles

    Laryngoscopy

    Laryngeal Disorders

  • in airway control

  • Airway Establishment and Control: Insertion technique
    Bimanual laryngoscopy.Figures

  • in epiglottitis

  • Epiglottitis: Diagnosis

  • in smoke inhalation

  • Smoke InhalationSidebars

    Laryngospasm

    Some Causes of StridorTables

    Laryngotracheobronchitis

    Parainfluenza Virus Infections
    Croup

    Larynx

  • cancer of

  • Laryngeal Cancer

  • evaginations of

  • Laryngoceles

  • inflammation of

  • Laryngitis

  • spastic dystonia of

  • Dystonias: Focal dystonias

  • tumors of

  • Benign Laryngeal Tumors

  • visualization of

  • Laryngeal Disorders

    Laser peripheral iridotomy

    Angle-Closure Glaucoma: Acute angle-closure glaucoma

    Laser trabeculoplasty

    Primary Open-Angle Glaucoma: Surgery

    LASIK (laser in situ keratomileusis)

    Refractive Surgery: Laser In Situ Keratomileusis (LASIK)

    Lassa fever

    Some Viruses That Cause Hemorrhagic FeverTables
    Arbovirus, Arenavirus, and Filovirus DiseasesTables
    Arboviridae, Arenaviridae, and Filoviridae: Treatment
    Lassa Fever

    Latanoprost

    Drugs Used to Treat GlaucomaTables

    Lateral epicondylitis

    Lateral Epicondylitis

    Lateral sclerosis

    Amyotrophic Lateral Sclerosis and Other Motor Neuron Diseases: Primary lateral sclerosis and progressive pseudobulbar palsy

    Latetalol

    Oral β -Blockers for HypertensionTables

    Latex allergy

    Diabetes Mellitus and Disorders of Carbohydrate Metabolism: Complications of insulin treatment
    Latex SensitivitySidebars

    Latrodectism

    Spider Bites: Symptoms and Signs

    Laurence-Moon syndrome

    Male Hypogonadism in Children: Secondary

    Lavage

  • bronchoalveolar

  • Bronchoscopy: Procedure

  • in hypersensitivity pneumonitis

  • Hypersensitivity Pneumonitis: Bronchoalveolar lavage

  • in pneumonia

  • Hospital-Acquired Pneumonia: Diagnosis

  • in pulmonary alveolar proteinosis

  • Pulmonary Alveolar Proteinosis: Diagnosis

  • in sarcoidosis

  • Sarcoidosis: Disease severity assessment

  • diagnostic peritoneal

  • Abdominal Trauma: Penetrating trauma

  • gastric

  • in poisoning

  • Poisoning: Gastric emptying

  • nasogastric

  • GI Bleeding: Testing

  • peritoneal

  • Approach to the Trauma Patient: Testing

  • whole lung

  • in pulmonary alveolar proteinosis

  • Pulmonary Alveolar Proteinosis: Treatment

  • in silicosis

  • Silicosis: Treatment

    Lawrence-Moon syndrome

    Retinitis Pigmentosa

    Laxatives

    Agents Used to Treat ConstipationTables
    Constipation: Types of laxatives

  • abuse of

  • Diarrhea: Testing
    Drug- and Chemical-Related Gastroenteritis
    Hypokalemia: Drugs
    Causes of Metabolic AlkalosisTables

  • for children

  • Treatment of ConstipationTables

  • for dying patient

  • Symptom Control in the Dying: Constipation

  • for elderly

  • High-Risk Drugs in the Elderly (Based on the Beers Criteria)Tables

  • porphyria and

  • Drugs and Porphyria*Tables

    Lazarus sign

    Brain Death: Prognosis

    lalelhlilolplsluly
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