| systolic pressure | <cardiology, physiology> The pressure exerted on the walls of the arteries during the contraction phase of the heart. Considered abnormally elevated if consistently over 150 mmHg. Systolic blood pressure varies with age, sex, size and relative condition. (27 Sep 1997) |
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| systolic shock | The abnormally palpable impact, appreciated by a hand on the chest wall, of an accentuated first heart sound. (05 Mar 2000) |
| systolic thrill | A thrill felt over the precordium or over a blood vessel during ventricular systole. (05 Mar 2000) |
| systolic time intervals | See: electromechanical systole, left ventricular ejection time, preejection period. (05 Mar 2000) |
| systolic whoop | systolic honk |
| systolic/diastolic ratio | A calculation from pulsed Doppler ultrasound determinations of blood flow velocities that reflects intrinsic resistance in an arterial blood vessel. (05 Mar 2000) |
| systolometer | 1. An apparatus for determining the force of the cardiac contraction. 2. An instrument for analyzing the sounds of the heart. Origin: systole + G. Metron, measure (05 Mar 2000) |
| systremma | A muscular cramp in the calf of the leg, the contracted muscles forming a hard ball. Origin: G. Anything twisted (05 Mar 2000) |