presystolic murmur


A murmur heard at the end of ventricular diastole, during atrial systole, usually due to obstruction at an atrioventricular orifice.

Nearby words

  1. presurmise,
  2. presynaptic,
  3. presynaptic membrane,
  4. presystole,
  5. presystolic gallop,
  6. presystolic thrill,
  7. pret a porter,
  8. pret.,
  9. preta,
  10. pretarsal

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.