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Pulse
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{{Short description|Tactile arterial palpation of the heartbeat by fingertips}} {{About|heartbeats|other uses}} {{More citations needed|date=December 2008}} {{Infobox body process |name = Pulse |image = Hand-book of physiology (1892) (14742233966).jpg |caption = Diagram of the rise and lower of blood from a pulse. |organisms = [[Animalia]]* |biological system = [[Circulatory system]] |health = |action = Involuntary |stimuli = |method = Heart pumps blood using [[Reciprocating pump|reciprocating method]] causing inconstant blood flow throughout the circulatory system that can be recognized. (See [[Cardiac cycle]]) |outcome = |frequency = 60β100 per minute (humans) |duration = 0.6β1 second (humans) |footnote = Animalia with the exception of [[Porifera]], [[Cnidaria]], [[Ctenophora]], [[Platyhelminthes]], [[Bryozoan]], [[Amphioxus]]. }} In [[medicine]], the '''pulse''' refers to the rhythmic pulsations (expansion and contraction) of an [[artery]] in response to the [[cardiac cycle]] (heartbeat).<ref name="tfd">{{cite web |title=pulse |url=https://medical-dictionary.thefreedictionary.com/pulse |website=The Free Dictionary}}</ref> The pulse may be felt ([[palpated]]) in any place that allows an artery to be compressed near the surface of the body close to the skin, such as at the [[neck]] ([[carotid artery]]), [[wrist]] ([[radial artery]] or [[ulnar artery]]), at the [[groin]] ([[femoral artery]]), behind the [[knee]] ([[popliteal artery]]), near the [[ankle joint]] ([[posterior tibial artery]]), and on foot ([[dorsalis pedis artery]]).<ref name="Berg2006"/><ref name="tfd"/> The pulse is most commonly measured at the wrist or neck for adults<ref>{{cite web |title=Pulse |url=https://medlineplus.gov/ency/article/003399.htm |website=MedlinePlus Medical Encyclopedia |access-date=25 November 2024 |language=en}}</ref> and at the brachial artery (inner upper arm between the shoulder and elbow) for infants and very young children.<ref>{{Cite journal |date=2000-08-22 |title=Part 9: Pediatric Basic Life Support |url=https://www.ahajournals.org/doi/10.1161/circ.102.suppl_1.I-253 |journal=Circulation |volume=102 |issue=suppl_1 |pages=Iβ253 |doi=10.1161/circ.102.suppl_1.I-253}}</ref> A [[sphygmograph]] is an instrument for measuring the pulse.<ref>{{cite web |title=sphygmograph |url=https://medical-dictionary.thefreedictionary.com/sphygmograph |website=The Free Dictionary}}</ref>
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