Cardiomyopathy
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Questions and Answers

Which type of cardiomyopathy is characterized by diastolic dysfunction?

  • Hypertrophic cardiomyopathy (correct)
  • Arrhythmogenic cardiomyopathy
  • Dilated cardiomyopathy
  • Unclassified cardiomyopathy
  • What is the most common type of cardiomyopathy?

  • Dilated cardiomyopathy (correct)
  • Hypertrophic cardiomyopathy
  • Arrhythmogenic cardiomyopathy
  • Restrictive cardiomyopathy
  • Which genetic mutation is associated with Dilated Cardiomyopathy?

  • Mutation in LMNA
  • Mutation in MYH7
  • Mutation in TTN (correct)
  • Mutation in DSP
  • What is the histological feature commonly seen in Dilated Cardiomyopathy?

    <p>Myocyte hypertrophy</p> Signup and view all the answers

    Which type of cardiomyopathy shows LV hypertrophy with asymmetrical thickening of muscles?

    <p>Hypertrophic cardiomyopathy</p> Signup and view all the answers

    Which type of cardiomyopathy is associated with infiltration or fibrosis of ventricles without chamber enlargement?

    <p>Restrictive cardiomyopathy</p> Signup and view all the answers

    What is the characteristic feature of Dilated Cardiomyopathy on histology?

    <p>Interstitial fibrosis</p> Signup and view all the answers

    Which type of cardiomyopathy results in dysfunction of ventricular contraction?

    <p>Dilated cardiomyopathy</p> Signup and view all the answers

    What is the common symptom associated with heart failure in Dilated Cardiomyopathy?

    <p>Shortness of breath</p> Signup and view all the answers

    Which chamber enlargement is observed in Dilated Cardiomyopathy?

    <p>All chambers</p> Signup and view all the answers

    What is the characteristic feature of Hypertrophic Cardiomyopathy on echocardiography?

    <p>Asymmetrical septal hypertrophy</p> Signup and view all the answers

    Which type of cardiomyopathy is associated with mutations in genes that code for cardiac cytoskeletal, myofibrillar, and nuclear membrane proteins?

    <p>Dilated cardiomyopathy</p> Signup and view all the answers

    Which of the following is a recognized cause of dilated cardiomyopathy?

    <p>Alcohol</p> Signup and view all the answers

    What is the most likely diagnosis for a patient with dyspnea, lower extremity edema, low-voltage QRS complexes, markedly increased ventricular thickness, enlargement of both atria, and a normal left ventricular ejection fraction?

    <p>Cardiac amyloidosis causing restrictive cardiomyopathy</p> Signup and view all the answers

    Which of the following is a recognized cause of hypertrophic cardiomyopathy?

    <p>Hypertension</p> Signup and view all the answers

    What is the most common mutation associated with hypertrophic cardiomyopathy?

    <p>MYBP and MYH7</p> Signup and view all the answers

    Which of the following is a recognized complication of hypertrophic cardiomyopathy?

    <p>Sudden cardiac death</p> Signup and view all the answers

    What is a distinguishing feature of restrictive cardiomyopathy on an electrocardiogram (ECG)?

    <p>Low voltage QRS complexes</p> Signup and view all the answers

    Which of the following is a recognized cause of restrictive cardiomyopathy?

    <p>Amyloidosis</p> Signup and view all the answers

    What is the pathologic hallmark of arrhythmogenic right ventricular cardiomyopathy?

    <p>Myocardial thinning with fibrofatty deposits</p> Signup and view all the answers

    Which of the following is a recognized symptom of Takotsubo cardiomyopathy?

    <p>Chest pain</p> Signup and view all the answers

    What is the most likely diagnosis for a patient with stress-induced cardiomyopathy, severe emotional or physical events, and no significant coronary artery stenosis?

    <p>Takotsubo cardiomyopathy</p> Signup and view all the answers

    Which of the following is a recognized cause of arrhythmogenic right ventricular cardiomyopathy?

    <p>Myocyte necrosis</p> Signup and view all the answers

    What is the gold standard for the demonstration of amyloid in tissue sections?

    <p>Congo red stain with apple green birefringence under polarized light</p> Signup and view all the answers

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