Medical dictionary. 2011.
left ventricular ejection time — (LVET) the interval from systole to closure of the aortic valve, measured on the carotid pulse tracing from the beginning upstroke to the dicrotic notch; it is one of the systolic time intervals (q.v.) measured to assess left ventricular… … Medical dictionary
interval — A time or space between two periods or objects; a break in continuity. [L. inter vallum, space between breastworks in a camp, an i., fr. vallum, a rampart, wall] a c i. the i. between the onset of the a wave and that of the c wave of the jugular… … Medical dictionary
STI — Scientific and Technical Information; serum trypsin inhibitor; sexually transmitted infection; soybean trypsin inhibitor; structured [cyclic antiretroviral] therapy interruption; supervised therapy interruption; systolic time interval * * *… … Medical dictionary
preejection period — (PEP) the interval between the onset of ventricular depolarization and the onset of ventricular ejection; it is one of the systolic time intervals (q.v.) used in assessing left ventricular performance and is calculated by subtracting the left… … Medical dictionary
electromechanical systole — the interval from the onset of the QRS complex on the electrocardiogram to the aortic component of the second heart sound; it is one of the systolic time intervals (q.v.), encompassing the left ventricular ejection time and the preejection period … Medical dictionary
Circulatory system — This article is about the organ system. For the band, see Circulatory System. For transport in plants, see Vascular tissue. Circulatory system … Wikipedia
Compliance (physiology) — This article is about the physiological term. For other uses, see Compliance (disambiguation). Compliance is a measure of the tendency of a hollow organ to resist recoil toward its original dimensions upon removal of a distending or compressing… … Wikipedia
Data stream — This article is about the more general meaning of the term data stream . For the UK specific DSL technology, see Datastream. In telecommunications and computing, a data stream is a sequence of digitally encoded coherent signals (packets of data… … Wikipedia
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
QT interval — Schematic representation of normal ECG trace (sinus rhythm), with waves, segments, and intervals labeled. In cardiology, the QT interval is a measure of the time between the start of the Q wave and the end of the T wave in the heart s electrical… … Wikipedia
