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In some people, PACs occur in a predictable pattern. Two PACs in a row are called doublets and three PACs in a row are triplets. Depending whether there are one, two, or three normal (sinus) beats between each PACs, the rhythm is called atrial bigeminy, trigeminy, or quadrigeminy.
Two PVCs in a row are called doublets and three PVCs in a rows are triplets. Depending whether there are one, two, or three normal beats between each PVC, the rhythm is called bigeminy, trigeminy, or quadrigeminy. If 3 or more consecutive PVCs occur in a row it may be called ventricular tachycardia. [20]
Bigeminy is a cardiac arrhythmia in which there is a single ectopic beat, or irregular heartbeat, following each regular heartbeat.Most often this is due to ectopic beats occurring so frequently that there is one after each sinus beat, or normal heartbeat.
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One of the first basic PACS was created in 1972 by Dr Richard J. Steckel. [7]: 6 The principles of PACS were first discussed at meetings of radiologists in 1982. Various people are credited with the coinage of the term PACS. Cardiovascular radiologist Dr Andre Duerinckx reported in 1983 that he had first used the term in 1981.
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PACs is the plural of PAC; for example: Political action committees, groups organized to elect or defeat political candidates; Premature atrial contractions; Other
PACS Group, Inc. (NYSE:PACS) shares traded lower on Wednesday after the company announced the postponement of third-quarter results and disclosure of civil investigative demands from the federal ...