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Pe

Peak flow meter

Tests for Lung Disorders: Lung Volume and Flow Rate Measurements
Asthma: Diagnosis
Respiratory Disorders in Children: Diagnosis

Pectin

Drugs Used to Treat DiarrheaTables

Pediatric autoimmune neuropsychiatric disorder associated with streptococcus (PANDAS)

Anxiety Disorders in Children: Obsessive-Compulsive Disorder

Pediatric patients

see Children; Infants

Pediculosis (lice)

Lice Infestation
A Close-up Look at LiceFigures

Pedophilia

Paraphilias: Pedophilia

Peeing

see Urination

Peeling (skin)

  • in staphylococcal scalded skin syndrome

  • Staphylococcal Scalded Skin Syndrome

  • in toxic epidermal necrolysis

  • Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis: Symptoms

    Peer relationships

    Social and Emotional Development
    Social and Psychologic Development

    Pegvisomant

    Acromegaly and Gigantism: Treatment

    Pel-Ebstein fever

    Hodgkin Lymphoma: Symptoms

    Pellagra

    Niacin: Niacin Deficiency

  • gingivitis in

  • Gingivitis: Gingivitis Due to Vitamin Deficiency

  • red tongue in

  • Tongue Disorders: Discoloration

    Pelvic congestion syndrome

    What Is Pelvic Congestion Syndrome?Sidebar

    Pelvic examination

    Gynecologic History and Physical Examination: Gynecologic Examination
    Collecting Cervical CellsFigures

  • for cancer screening

  • Cancer Screening Recommendations*Tables

  • in dyspareunia

  • Dyspareunia: Diagnosis

  • in vaginal infection

  • Vaginal Infections and Pelvic Inflammatory Disease: Diagnosis

    Pelvic floor disorders

    Pelvic Floor Disorders
    When the Bottom Falls Out: Prolapse in the PelvisFigures

    Pelvic floor dyssynergia

    Symptoms and Diagnosis of Digestive Disorders: Dyschezia
    Symptoms and Diagnosis of Digestive Disorders: Treatment

    Pelvic inflammatory disease

    Pelvic Inflammatory Disease (PID)

    Pelvic pain

  • adnexal torsion and

  • Adnexal Torsion

    Pelvis

  • abscess in

  • Abdominal Abscesses: Causes and Symptoms

  • abscess of

  • Actinomycosis: Pelvic

  • fracture of

  • Pelvis Fractures

  • pain in

  • Pelvic Pain
    What Causes Pelvic Pain?Sidebar

  • in endometriosis

  • Endometriosis: Symptoms

  • during menstrual period

  • Dysmenorrhea

  • in pelvic congestion syndrome

  • What Is Pelvic Congestion Syndrome?Sidebar

  • varicose veins in (pelvic congestion syndrome)

  • What Is Pelvic Congestion Syndrome?Sidebar

    Pemphigoid, bullous

    Mouth Sores: Inflammatory disorders
    Some Autoimmune DisordersTables
    Bullous Pemphigoid

    Pemphigus

    Mouth Sores: Inflammatory disorders
    Some Autoimmune DisordersTables
    Pemphigus Vulgaris

    Penciclovir

    Antiviral DrugsTables
    Herpes Simplex Virus Infections: Antiviral Drugs

    Penicillamine

  • in lead poisoning

  • Lead Poisoning: Treatment

  • in rheumatoid arthritis

  • Drugs Used to Treat Rheumatoid ArthritisTables

    Penicillin

    Drug Effectiveness and Safety
    AntibioticsTables

  • in strep throat

  • Pharyngitis (Sore Throat) in Children: Diagnosis and Treatment

  • in syphilis

  • Syphilis: Treatment

    Penis

    Biology of the Male Reproductive System
    Male Reproductive OrgansFigures

  • cancer of

  • Growths on the Penis

  • candidiasis of

  • Candidiasis: Symptoms

  • circumcision of

  • First Few Days After Birth: Circumcision
    Urinary Tract Infection in Children(UTI): Prevention and Treatment

  • erection of

  • Male Reproductive Function
    Sexual Dysfunction in Men: Normal Sexual Function

  • distorted (Peyronie's disease)

  • Peyronie's Disease

  • failure of (erectile dysfunction, impotence)

  • Erectile Dysfunction (ED)

  • in acromegaly

  • Acromegaly and Gigantism: Symptoms

  • in galactorrhea

  • Galactorrhea: Symptoms

  • persistent (priapism)

  • Priapism

  • fibrous thickening of (Peyronie's disease)

  • Peyronie's Disease

  • growths on

  • Growths on the Penis

  • infections of

  • see Sexually transmitted diseases

  • inflammation of

  • Penile and Testicular Disorders

  • injury to

  • Injuries to the Penis and Scrotum

  • prosthetic

  • Erectile Dysfunction (ED): Surgery

  • urethra opening misplacement in

  • Urinary Tract Defects: Bladder and Urethra Defects

    Pentamidine

    Hypoglycemia: Diagnosis

    Pentazocine

    Opioid AnalgesicsTables

  • abuse of

  • Opioids

  • in elderly persons

  • Some Drugs Particularly Likely to Cause Problems in Older PeopleTables

    Pentosan polysulfate

    Interstitial Cystitis: Bladder Inflammation, Not InfectionSidebar

    Pentoxifylline

    Occlusive Peripheral Arterial Disease: Arteries of the Legs and Arms

    P-450 enzymes

    Drug Metabolism
    Drug Metabolism
    Drug Interactions: Alteration

    Pepsin

    Stomach

    Peptic ulcers

    Effects of Aging on the Digestive System: Stomach
    When the Stomach Is InfectedSidebar
    Peptic Ulcer
    Drugs Used to Treat Peptic DisordersTables

  • in children

  • Peptic Ulcer in Children

  • complications of

  • What Are the Complications of Peptic Ulcers?Sidebar

  • drug-related

  • Some Serious Adverse Drug ReactionsTables

  • gastrinoma and

  • Pancreatic Endocrine Tumors: Symptoms and Diagnosis

    Percutaneous balloon pericardiotomy

    Cardiac Tamponade: The Most Serious Complication of PericarditisFigures
    Acute Pericarditis: Prognosis and Treatment

    Percutaneous coronary intervention (PCI)

    Coronary Artery Disease: Percutaneous Coronary Intervention
    Understanding Percutaneous Coronary Intervention (PCI)Figures

    Percutaneous transhepatic cholangiography

    Diagnosis of Liver, Gallbladder, and Biliary Disorders: Imaging Tests
    Primary Sclerosing Cholangitis: Diagnosis
    Diagnostic ProceduresTables

    Percutaneous transluminal coronary angioplasty (PTCA)

    Coronary Artery Disease: Percutaneous Coronary Intervention
    Understanding Percutaneous Coronary Intervention (PCI)Figures

    Percutaneous transluminal renal angioplasty

    Blockage of the Renal Arteries: Treatment

    Perforation

  • of eardrum

  • Eardrum Perforation
    Objects in the Ears and Nose: In the Ear

  • of nasal septum

  • Perforations of the Septum

  • of uterus

  • Family Planning: Possible Problems
    Abortion: Complications

    Performance, anxiety and

    How Anxiety Affects PerformanceFigures
    Phobic Disorders: Social Phobia

    Perfusion, in gas exchange

    Exchanging Oxygen and Carbon Dioxide

    Perfusion scan, lung

    Tests for Lung Disorders: Chest Imaging
    Pulmonary Embolism (PE): Diagnosis

    Periapical abscess

    Periapical Abscess

    Pericardial rub

    Acute Pericarditis: Diagnosis

    Pericardiocentesis

    Cardiac Tamponade: The Most Serious Complication of PericarditisFigures

    Pericardiotomy

    Cardiac Tamponade: The Most Serious Complication of PericarditisFigures
    Acute Pericarditis: Prognosis and Treatment

    Pericarditis

    Chest Pain: Causes
    Chest Pain: Evaluation
    Heart Failure: Diastolic Dysfunction
    Acute Pericarditis
    Cardiac Tamponade: The Most Serious Complication of PericarditisFigures

  • after heart attack

  • Acute Coronary Syndromes (Heart Attack; Myocardial Infarction; Unstable Angina): Other Problems

  • chronic

  • Chronic Pericarditis

  • in kidney failure

  • Chronic Kidney Failure

  • in tuberculous

  • Tuberculosis and Leprosy: Extrapulmonary Tuberculosis
    Tuberculosis and Leprosy: Treatment

    Pericardium

    Pericardial Disease

  • defects of

  • Pericardial Disease

  • inflammation of

  • see Pericarditis

  • radiation injury to

  • Radiation Injury: Local Radiation Injury

    Perichondritis

    Perichondritis

    Pericoronitis

    Gingivitis: Gingivitis Due to an Impacted Tooth (Pericoronitis)

    Perimenopause

    Menopause

    Perineum

    External Female Genital OrgansFigures
    Female External Genital Organs

    Period (menstrual)

    Female Internal Genital Organs: Uterus and Cervix
    Menstrual Cycle
    Changes During the Menstrual CycleFigures
    Vaginal Discharge

  • disorders of

  • Menstrual Disorders and Abnormal Vaginal Bleeding
    Deciphering Medical Terms for Menstrual Disorders*Tables
    Symptoms That Can Occur in Premenstrual SyndromeSidebar
    Adenomyosis: Noncancerous Growth of the UterusSidebar
    What Is Pelvic Congestion Syndrome?Sidebar

  • first (menarche)

  • Puberty in Girls

  • during perimenopause

  • Menopause: Perimenopause

    Periodic limb movement disorder

    Periodic Limb Movement Disorder and Restless Legs Syndrome

    Periodic paralysis

    Periodic Paralysis

    Periodontal diseases

    Effects of Aging on the Mouth
    Periodontal Diseases
    Periodontitis: From Plaque to Tooth LossFigures

    Periodontitis

    Periodontitis
    Periodontitis: From Plaque to Tooth LossFigures

    Periosteum

    Biology of the Musculoskeletal System

    Peripheral arteries

    see Artery (arteries), peripheral

    Peripheral nerves

    Nerves
    Using the Brain to Move a MuscleFigures

  • age-associated changes in

  • Effects of Aging on the Nervous System: Peripheral Nerves

  • autonomic neuropathy of

  • Autonomic Neuropathies

  • compression of

  • Nerve Compression Syndromes

  • disorders of

  • Peripheral Nerve Disorders
    Overactive Nerves: Two SyndromesSidebar
    When the Foot's AsleepSidebar

    Peripheral ulcerative keratitis

    Peripheral Ulcerative Keratitis

    Peristalsis, esophageal

    How the Esophagus WorksFigures

  • disorders of

  • Abnormal Propulsion of Food

    Peritoneal dialysis

    Dialysis
    Reasons for Dialysis in Kidney FailureSidebar
    Possible Complications of Peritoneal DialysisTables
    Comparing Hemodialysis With Peritoneal DialysisFigures

    Peritoneal drains

    Necrotizing Enterocolitis (NEC): Prevention and Treatment

    Peritoneum

    Biology of the Digestive System

    Peritonitis

  • in ascites

  • Ascites: Treatment

  • meconium-related

  • Abdominal Pain in Newborns, Infants, and Young ChildrenTables

  • in pelvic inflammatory disease

  • Pelvic Inflammatory Disease (PID): Symptoms

    Perlèche

    Candidiasis: Symptoms

    Permethrin

    Parasitic Skin Infections: Treatment
    Lice Infestation: Treatment

    Pernicious anemia

    Some Autoimmune DisordersTables

    Pernio

    Nonfreezing Tissue Injuries: Chilblains

    Peroneal muscular atrophy (Charcot-Marie-Tooth disease)

    Hereditary Neuropathies: Charcot-Marie-Tooth Disease

    Peroneal nerve palsy

    Mononeuropathy: Peroneal Nerve Palsy

    Perphenazine

    Antipsychotic DrugsTables

    Persistent pulmonary hypertension

    Persistent Pulmonary Hypertension

    Personality disorders

    Personality Disorders
    Consequences of Personality DisordersSidebar
    Common Coping MechanismsTables

  • multiple personalities

  • Dissociative Identity Disorder

    Pertussis (whooping cough)

    Pertussis

  • immunization for

  • Protecting Children Through VaccinesTables
    Protecting Adults Through VaccinesTables
    Common Vaccinations: Diphtheria-Tetanus-Pertussis
    Vaccinating Infants and ChildrenFigures
    Bacterial Infections Preventable With Routine ImmunizationSidebar

    Pervasive developmental disorder not otherwise specified (PDD-NOS)

    Comparing Autism Spectrum DisordersTables
    Autism Spectrum Disorders: Asperger's Syndrome and Pervasive Developmental Disorder Not Otherwise Specified

    Pessary

    Pelvic Floor Disorders: Pessaries

    PET

    see Positron emission tomography

    Petit mal (absence) seizures

    Seizure Disorders: Generalized Seizures
    Brain Activity During a SeizureFigures

    Petroleum jelly

  • in atopic dermatitis

  • Dermatitis: Diagnosis and Treatment

  • cleansing with

  • Treatment of Skin Disorders: Cleansing Agents

    Petroleum products, poisoning from

    Hydrocarbon Poisoning

    Peutz-Jeghers syndrome

    Lip and Tongue Disorders: Discoloration
    Colorectal Polyps: Hereditary Conditions
    Spotlight on AgingSidebar

    Peyer's patches

    Lymphatic System: Helping Defend Against InfectionFigures
    Biology of the Immune System: Organs
    Acquired Immunity: T Cells

    Peyote (mescaline)

    Hallucinogens

    Peyronie's disease

    Peyronie's Disease

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