Presystole
noun
1.
Physiology. the normal rhythmical contraction of the heart, during which the blood in the chambers is forced onward.
Compare diastole.
2.
Classical Prosody. the shortening of a syllable regularly long.
noun
1.
contraction of the heart, during which blood is pumped into the aorta and the arteries that lead to the lungs Compare diastole
presystole pre·sys·to·le (prē-sĭs’tə-lē)
n.
The interval in the cardiac rhythm immediately preceding systole.
pre’sys·tol’ic (-sĭ-stŏl’ĭk) adj.
systole sys·to·le (sĭs’tə-lē)
n.
The rhythmic contraction of the heart, especially of the ventricles, by which blood is driven through the aorta and pulmonary artery after each dilation or diastole. Also called miocardia.
sys·tol’ic (sĭ-stŏl’ĭk) adj.
systole
(sĭs’tə-lē)
The period during the normal beating of the heart in which the chambers of the heart, especially the ventricles, contract to force blood into the aorta and pulmonary artery. Compare diastole.
systolic adjective (sĭ-stŏl’ĭk)
Read Also:
- Presystolic gallop
presystolic gallop n. A gallop rhythm in which an abnormal fourth heart sound occurs in late diastole.
- Presystolic murmur
presystolic murmur n. A murmur heard at the end of ventricular diastole, during atrial systole, usually due to obstruction at an atrioventricular orifice.
- Pressure-cooker
or pressure-cooker noun 1. a reinforced pot, usually of steel or aluminum, in which soups, meats, vegetables, etc., may be cooked quickly in heat above boiling point by steam maintained under pressure. 2. any situation, job, assignment, etc., in which a person is faced with urgent responsibilities or demands by other people, constant deadlines, or […]
- Pressure-cook
[presh-er-koo k] /ˈprɛʃ ərˌkʊk/ verb (used with object) 1. to cook in a pressure cooker. pressure-cook verb 1. to cook (food) in a pressure cooker
- Pret.
1. preterit. pret. preterit