Cardiovascular Medicine Book

Myocardial Disorders

  • Myocarditis

Valvular Disease

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Myocarditis

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  1. Etiology
    1. Lymphocytic
    2. Acute infectious
      1. Viral illness
        1. Coxsackie Virus B (most common)
        2. Influenza
        3. Hepatitis
        4. Adenovirus
        5. HIV Infection
        6. Cytomegalovirus (CMV)
      2. Tropical Disease
        1. Trypanosoma cruzi (Chagas' Disease)
  2. Symptoms
    1. Most cases are mild and asymptomatic
    2. Palpitations
    3. Symptoms secondary events
      1. Myocardial Infarction
      2. Congestive Heart Failure
  3. Signs
    1. Pericardial Friction Rub
    2. Loud S3 Gallop
  4. Labs
    1. Creatine Phosphokinase (CPK) increased
    2. Sedimentation Rate (ESR) >60 mm/h
    3. Leukocytosis
  5. Diagnostics
    1. Electrocardiogram
      1. ST segment elevation progresses to T Wave inversion
      2. Normalizes in 2 months
    2. Chest XRay
      1. Cardiomegaly in 50% cases

Myocarditis (C0027059)

Definition (MSH)Inflammatory processes of the muscular walls of the heart (MYOCARDIUM) which result in injury to the cardiac muscle cells (MYOCYTES, CARDIAC). Manifestations range from subclinical to sudden death (DEATH, SUDDEN). Myocarditis in association with cardiac dysfunction is classified as inflammatory CARDIOMYOPATHY usually caused by INFECTION, autoimmune diseases, or responses to toxic substances. Myocarditis is also a common cause of DILATED CARDIOMYOPATHY and other cardiomyopathies.
Definition (CSP)inflammation of the muscular walls of the heart.
ConceptsDisease or Syndrome (T047)
ICD9429.0
EnglishMyocardial inflammation, Myocarditides, Myocarditis
Spanishinflamación miocárdica, inflamacion miocardica, miocarditis
CreditsDerived from the NIH UMLS (Unified Medical Language System)



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