presystolic thrill


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thrill

 [thril]
a vibration felt by the examiner on palpation; see also fremitus.
diastolic thrill one felt over the precordium during diastole in advanced aortic insufficiency.
hydatid thrill one felt on percussing over a hydatid cyst.
presystolic thrill one felt just before the ventricular systole over the apex of the heart.
systolic thrill one felt over the precordium during ventricular systole in aortic stenosis, pulmonary stenosis, and ventricular septal defect.

pre·sys·tol·ic thrill

a thrill immediately preceding the ventricular contraction that is sometimes perceived on palpation over the apex of the heart, as in mitral stenosis.

pre·sys·tol·ic thrill

(prē'sis-tol'ik thril)
A thrill immediately preceding the ventricular contraction that is sometimes felt on palpation over the apex of the heart.