presystolic gallop
n.
A gallop rhythm in which an abnormal fourth heart sound occurs in late diastole.
Words nearby presystolic gallop
presuppurative,
presurmise,
presynaptic,
presynaptic membrane,
presystole,
presystolic gallop,
presystolic murmur,
presystolic thrill,
pret.,
preta,
pretarsal