Mitral Regurgitation: Aetiology and Complications
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Questions and Answers

What is the typical murmur produced by regurgitation of blood from the left ventricle to the atrium throughout systole?

  • Atrial fibrillation
  • Third heart sound
  • Pansystolic murmur (correct)
  • Diastolic flow murmur
  • Which condition predisposes individuals to atrial fibrillation, mural thrombus, and embolism?

  • Hypertrophic cardiomyopathy
  • Aortic stenosis
  • Mitral valve incompetence
  • Left atrial dilatation (correct)
  • What is believed to be the cause of more than 50% of cases of aortic stenosis?

  • Hypertrophic cardiomyopathy
  • Congenital bicuspid aortic valves (correct)
  • Rheumatic aortic stenosis
  • Calcification of the valve in the elderly
  • What is the common symptom associated with aortic stenosis that manifests as chest pain or discomfort?

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

    What cardiac abnormality causes a third heart sound and a diastolic flow murmur during diastole?

    <p>Mitral valve incompetence</p> Signup and view all the answers

    Which condition leads to concentric left ventricular hypertrophy and eventual dilatation with failure due to chronic resistance to flow?

    <p>Aortic stenosis</p> Signup and view all the answers

    What is the degenerative change that results from the accumulation of mucopolysaccharides in the valve leaflet?

    <p>Mitral valve prolapse</p> Signup and view all the answers

    Which population is Mitral valve prolapse syndrome commonly found in?

    <p>Young women</p> Signup and view all the answers

    What other syndrome shares a similar abnormality of the mitral valve as patients with Marfan's syndrome?

    <p>Ehlers-Danlos syndrome</p> Signup and view all the answers

    What may cause functional mitral regurgitation when associated with chronic left ventricular failure?

    <p>Dilation of the mitral valve ring</p> Signup and view all the answers

    Which condition may lead to acute mitral regurgitation due to rupture of chordae tendineae?

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

    What is the consequence of regurgitation of blood from the left ventricle to the left atrium during systole in mitral regurgitation?

    <p>Left atrial dilation</p> Signup and view all the answers

    What causes the characteristic 'water-hammer' pulse in aortic regurgitation?

    <p>Elevated systolic pressure</p> Signup and view all the answers

    Which condition is NOT a common cause of aortic insufficiency?

    <p>Marfan's syndrome</p> Signup and view all the answers

    What is the most common etiology of isolated pulmonary stenosis?

    <p><strong>Congenital</strong> pulmonary valve stenosis</p> Signup and view all the answers

    In Carcinoid syndrome, what promotes fibrosis in the endocardium?

    <p><strong>Serotonin</strong> secretion</p> Signup and view all the answers

    What symptom is characteristic of mitral valve prolapse?

    <p><strong>Midsystolic click</strong></p> Signup and view all the answers

    Which condition typically leads to massive dilation and hypertrophy of the left ventricle?

    <p><strong>Mitral regurgitation</strong></p> Signup and view all the answers

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