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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.
Depending whether there are one, two, or three normal (sinus) beats between each PACs, the rhythm is called atrial bigeminy, trigeminy, or quadrigeminy. If three or more consecutive PACs occur in a row and at a frequency of 100 or more beats per minute, it may be called atrial tachycardia .
In some people, PVCs occur in a predictable pattern. 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.
PVCs that occur at intervals of 2 normal beats to 1 PVC, or 1 normal beat to 2 PVCs, are termed "PVCs in trigeminy" [13] Groups of three premature ventricular beats are called triplets and are considered a brief run of non-sustained ventricular tachycardia (NSVT); if the grouping lasts for more than 30 seconds, it is considered sustained ...
Numbering aberrant rhythms → Bigeminy (move (@subpage)) – I assume that "numbering aberrant rhythms" is an attempt at a generalized term for bigeminy, trigeminy, etc but I've never heard it used and neither has google. The article focuses on bigeminy and should be named as such. Pgcudahy 10:05, 20 March 2014 (UTC)
This is a list of roots, suffixes, and prefixes used in medical terminology, their meanings, and their etymologies.Most of them are combining forms in Neo-Latin and hence international scientific vocabulary.
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PACs, like PVCs, can pair up with normal beats in a pattern called bigeminy. Premature ventricular contractions (PVCs) – Normal beats are conducted through the AV node to the ventricles resulting in a narrow QRS complex. With PVCs, the extra beat originates within the ventricles and results in a wide QRS complex.