protodiastolic gallop

pro·to·di·a·stol·ic gal·'lop

gallop rhythm in which the gallop sound occurs in early diastole and is an abnormal third heart sound.

pro·to·di·a·stol·ic gal·lop

(prō'tō-dī'ă-stol'ik gal'ŏp)
Rhythm in which the gallop sound is an abnormal third heart sound.
References in periodicals archive ?
The sound often is referred to as a protodiastolic gallop or ventricular gallop.
Mild cyanosis, protodiastolic gallop, apical 4/6 systolic murmur, hepatomegaly and jugular venous pulse were revealed on physical examination.