[Studies on cardiac sounds in case of positional change. III. On pre-systolic gallop rhythm].
D001145:Arrhythmias, Cardiac; D006337:Heart Murmurs; D006347:Heart Sounds; D011187:Posture; D013599:Systole
CARDIAC MURMURS AND SOUNDS; POSTURE/effects
Herzschallstudien bei Lagewechsel. III. Uber den präsystolischen Galopprhythmus.