Causes of Mitral Regurgitation
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Questions and Answers

What is the initial consequence of the progressive dilation of the left ventricle due to eccentric hypertrophy?

  • Normal ejection fraction
  • Increased stroke volume (correct)
  • Decreased end-diastolic volume
  • Increased end-systolic volume
  • Which symptom is less severe in Acute MR compared to Chronic MR?

  • Dyspnea
  • Symptoms of left-sided heart failure
  • Holosystolic murmur (correct)
  • Palpitations
  • What is the preferred management for chronic primary MR?

  • Valve repair (correct)
  • Revascularization therapy
  • Beta blockers
  • Valve replacement
  • In the management of acute primary MR, why should cardiology and cardiothoracic surgery be consulted early?

    <p>To plan for urgent surgical repair or valve replacement</p> Signup and view all the answers

    What is a key indication for considering surgery in chronic secondary MR?

    <p>Patients with LVEF below 30%</p> Signup and view all the answers

    What is the primary cause of secondary mitral regurgitation (MR)?

    <p>Coronary artery disease</p> Signup and view all the answers

    Which condition is NOT listed as a cause of primary organic mitral regurgitation?

    <p>Coronary artery disease</p> Signup and view all the answers

    What happens as a result of increased left ventricular (LV) end-diastolic volume in secondary MR?

    <p>Development of pulmonary edema</p> Signup and view all the answers

    Which complication can arise from ruptured chordae tendinae in primary mitral regurgitation?

    <p>Infective endocarditis</p> Signup and view all the answers

    How do dilated cardiomyopathy and left-sided heart failure contribute to secondary MR?

    <p>By causing rapid increases in LA and pulmonary pressure</p> Signup and view all the answers

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