fourteen patients with pericardial effusions without clinical signs of tamponade ( pulsus paradoxus or other cardiac and circulatory abnormalities ) showed inspiratory reductions in echocardiographic left ventricular internal diastolic diameter which correlated directly with the exaggerated respiratory changes in systolic time intervals ( both pre-ejection period and left ventricular ejection time ) .
C0005775
circulatory
C0012000
diastolic