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 (C)</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% (C)</p> Signup and view all the answers

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

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

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

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

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

<p>Infective endocarditis (A)</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 (C)</p> Signup and view all the answers

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