| 释义 |
atrial kick a·tri·al kickthe priming force contributed by atrial contraction immediately before ventricular systole that acts to increase the efficiency of ventricular ejection due to acutely increased preload.atrial kick Atrial systole Cardiology The contraction of the atrium, which accounts for 5-30% of cardiac output; it appears as an abrupt notch in the pressure curve in the ventricular outflow tract, and is typical of hypertrophic cardiomyopathy–formerly idiopathic hypertrophic subaortic stenosis |