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Systolic Murmur

 
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Overview

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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