presystolic gallop


pre·sys·tol·ic gal·'lop

gallop cadence in which the gallop sound in late diastole is an audible fourth heart sound due to forceful ventricular filling following atrial systole. Synonym(s): atrial gallop

pre·sys·tol·ic gal·lop

(prē'sis-tol'ik gal'ŏp) Gallop rhythm in which the gallop sound is an audible fourth heart sound due to forceful ventricular filling.