You are currently viewing Mid-Systolic Heart Murmur – Mnemonic

Here is a quick mnemonic “MID SYSTOLIC MURmur to remember about Mid-Systolic Heart Murmur

This can be valuable for patients as well as medical doctors, nurses & students doing their clinical rounds. You can also find it very useful for med exams like USMLE, NExT Medical Step 1&2, MBBS, NEET PG, INI-CET, FMGE,MCAT & NCLEX exams

Mid-Systolic Heart Murmur : How To Remember Easily ?

  • M – Midsystolic murmurs begin at a short interval after S1.
  • I – Intensity of the murmur may vary from beat to beat.
  • D – Differentiation from other murmurs can be difficult.
  • S – Severity of AS murmur varies with cardiac output.
  • Y – Young adults with congenital valvular AS may have an early ejection sound.
  • S – Sustained left ventricular apical impulse and S4 may be present.
  • T – Thrill at the second right intercostal space suggests severe AS.
  • O – Obstructive form of HOCM produces a hybrid murmur.
  • L – Loudest along the left sternal border or between the left lower sternal border and the apex.
  • I – Intensity of the HOCM murmur may increase with certain maneuvers.
  • C – Crescendo-decrescendo murmur of congenital PS is best appreciated in the pulmonic area.
  • M – Midsystolic murmur associated with MVP has specific distinguishing features.
  • U – Upper left sternal border murmur can be caused by ASD or pulmonary artery dilation.
  • R – Right ventricular hypertrophy indicates severe pulmonic stenosis.
  • M – Midsystolic murmur with fixed splitting of S2 suggests an ASD.
  • U – Unexplained grade 2 or 3 midsystolic murmur may require further evaluation.
  • R – Rheumatic heart disease can cause midsystolic murmurs
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Dr. Arin Nandi

Passionate About Medical Science & Helping Future Doctors Achieve Top Ranks In Medical Exams. He is professionally a dentist as well as a public health expert from JIPMER (1), (2)working in health department