Systole definition wikipedia
Websystole (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. sys·tol′ic(sĭ-stŏl′ĭk)adj. The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. WebSystole and diastole are two phases of the cardiac cycle that occur as the heartbeats, which pump blood through the system of blood vessels carrying blood to each part of the body. Systole occurs when the heart contracts, pumping blood out, while diastole takes place when the heart relaxes after contraction. Cardiac Cycle
Systole definition wikipedia
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WebSep 19, 2024 · This is also known as systole. Isovolumetric relaxation – the ventricles relax, ready to re-fill with blood in the next filling phase. This article will discuss each of the phases in more detail; describing the … Systole is the part of the cardiac cycle during which some chambers of the heart contract after refilling with blood. The term originates, via New Latin, from Ancient Greek συστολή (sustolē), from συστέλλειν (sustéllein 'to contract'; from σύν sun 'together' + στέλλειν stéllein 'to send'), and is similar to the use of … See more Atrial systole Atrial systole occurs late in ventricular diastole and represents the contraction of myocardium of the left and right atria. The sharp decrease in ventricular pressure that occurs during … See more • Wiggers diagram • Systole (mathematics) • Diastole • Blood pressure See more Systole of the heart is initiated by electrically excitable cells situated in the sinoatrial node. These cells are activated spontaneously by See more When blood pressure is stated for medical purposes, it is usually written with the systolic and diastolic pressures separated by a slash, for example, 120/80 mmHg. This clinical notation … See more • "Systole" at Dorland's Medical Dictionary • Essential Hypertension Treatment See more
WebSystole is the last stage of a heart beat. It happens right after diastole, when the heart refills with blood. During systole, the heart's two ventricles contract (squeeze). (The ventricles … WebThe systolic pressure is the top number, and it’s a measurement of how much pressure your arteries are under each time your heart beats. The diastolic pressure, which is the bottom number, is how much pressure your arteries are under between heartbeats.
WebA small mass of tissue that is embedded in the wall of the right atrium, and that originates the heartrate "Pacemaker" -- called also S-A node, sinus node. AV node (atrioventricular node) located at the base of the right atrium. Receives impulse from SA node and causes ventricles to contract cardiac cycle Webex·tra·sys·to·le ( eks'tră-sis'tŏ-lē) An ectopic beat from any source in the heart. Synonym (s): premature systole. Medical Dictionary for the Health Professions and Nursing © Farlex 2012 extrasystole A premature contraction of the heart.
WebNoun 1. cardiac cycle - the complete cycle of events in the heart from the beginning of one heart beat to the beginning of the next; an electrical impulse conducted through the heart muscle that constricts the atria which is followed by constriction of the ventricles; "the cardiac cycle can be shown on an electrocardiogram"
Websys•to•le (ˈsɪs təˌli, -li) n. 1. the normal rhythmical contraction of the heart, during which the blood in the chambers is forced onward. Compare diastole. 2. (in classical prosody) the shortening of a syllable regularly long. girder traductionWebDiastole (pronounced /daɪˈæstəliː/) is the time during a heart beat when the heart fills with blood after a contraction. The contraction of the heart is called systole and is the opposite of diastole. The term diastole comes from the Greek word διαστολη. This means expanding or opening. [1] Inside the heart [ change change source] girders scotlandWebFeb 17, 2024 · Systole is defined as the contraction of the heart's muscle During the contraction of the heart, it pumps blood away from the heart to the circulatory system's veins. A person's blood pressure... fun activities in tenbyWebsystole, period of contraction of the ventricles of the heart that occurs between the first and second heart sounds of the cardiac cycle (the … girder to beam connectionWebDefine systole. systole synonyms, systole pronunciation, systole translation, English dictionary definition of systole. n. The rhythmic contraction of the heart, especially of the … fun activities in sydneyWebNov 20, 2024 · Systolic pressure is the measure of this pressure within the arteries while the heart beats. This phase, known as systole, is the point at which blood pressure is the … girder to girder connectionWebJun 8, 2024 · systole: rhythmic contraction of the heart, by which blood is driven through the arteries atrioventricular (AV) node: part of the electrical control system of the heart that coordinates the top of the heart; electrically connects atrial and … fun activities in switzerland