‘normal sinus rhythm’
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“electric kardiogram”
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(cheryl lynn had a book on the subject)
(absentmindedly browsing through it in her red suburban)
(outside marino’s pizzeria)
(‘EKG’…same initials as my kid sister)
(sounds like an egyptian princess!)
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‘ECG‘ / ‘EKG‘
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(“electro-cardiography” is the process of recording the electrical activity of the ‘heart’ over a period of time using ‘electrodes’ placed on the skin)
(these ‘electrodes’ detect the tiny electrical changes on the skin that arise from the heart muscle’s ‘electrophysiologic’ pattern of ‘depolarizing’ during each ‘heartbeat’)
(it is a very commonly performed ‘cardiology test’)
(in a conventional “12-lead ECG”, 10 electrodes are placed on the patient’s limbs and on the surface of the ‘chest’)
(the overall magnitude of the heart’s ‘electrical potential’ is then measured from 12 different angles (“leads”) and is recorded over a period of time (usually 10 seconds))
(in this way, the overall magnitude and direction of the heart’s ‘electrical depolarization’ is captured at each moment throughout the cardiac cycle)
(the graph of ‘voltage’ versus ‘time’ produced by this ‘noninvasive’ medical procedure is referred to as an “electrocardiogram”)
(during each ‘heartbeat’, a healthy ‘heart’ has an orderly progression of ‘depolarization’ that starts with ‘pacemaker cells’ in the ‘sinoatrial’ node, spreads out through the ‘atrium’, passes through the ‘atrioventricular node’ down into the ‘bundle of His’ and into the ‘Purkinje fibers’, spreading down and to the left throughout the ‘ventricles’)
(this orderly pattern of ‘depolarization’ gives rise to the characteristic ECG tracing)
(to the trained clinician, an ECG conveys a large amount of information about the structure of the heart and the function of its ‘electrical conduction system’)
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(among other things, an ECG can be used to measure…)
*the ‘rate’ + ‘rhythm’ of heartbeats*
*the ‘size’ + ‘position’ of the ‘heart chambers’*
*the presence of any damage to the heart’s ‘muscle cells’ or ‘conduction system’*
*the effects of ‘cardiac drugs’*
*the function of implanted ‘pacemakers’*
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👈👈👈☜*“MONITORS”* ☞ 👉👉👉
*THE CIRCULATORY SYSTEM*
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💕💝💖💓🖤💙🖤💙🖤💙🖤❤️💚💛🧡❣️💞💔💘❣️🧡💛💚❤️🖤💜🖤💙🖤💙🖤💗💖💝💘
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*🌈✨ *TABLE OF CONTENTS* ✨🌷*
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🔥🔥🔥🔥🔥🔥*we won the war* 🔥🔥🔥🔥🔥🔥