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Systolic Murmur



  • A systolic murmur is an abnormal sound that is present in systole, between the first heart sound (S1) and the second heart sound (S2).
  • Note whether the murmur is present in early, middle or late systole, or is pansystolic.
    • Causes of Systolic Murmur

    • Aortic stenosis
    • Mitral regurgitation
    • Tricuspid regurgitation
    • Ventricular septal defect
    • Hypertrophic obstructive cardiomyopathy
    • Pulmonary stenosis
  • Soft systolic murmur - likely innocent murmur due to physiological bloodflow
    • Systolic Murmur
  • Early systolic murmur - ventricular septal defect, mitral regurgitation, tricuspid regurgitation
    • Systolic Murmur
  • Ejection (Mid)Systolic Murmur - aortic or pulmonary stenosis
    • Systolic Murmur
  • Late systolic murmur - mitral valve prolapse
    • Systolic Murmur
  • Pansystolic murmur - tricuspid or mitral regurgitation
    • Systolic Murmur
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