Key result
VPBs exhibiting the R-on-P phenomenon are linked to initiating and terminating atrial arrhythmias.
Why the study?
The role of ventricular premature beats occurring during the atrial vulnerable period in initiating and terminating atrial arrhythmias was not fully understood.
Do ventricular premature beats occurring during the P wave initiate or terminate atrial arrhythmias?
Observational (n=5)
Do ventricular premature beats occurring during the P wave initiate or terminate atrial arrhythmias?
Ventricular premature beats occurring during the vulnerable period of the atrium (the 'R on P phenomenon') can initiate or terminate atrial arrhythmias.
Answers are grounded in this paper and cite their sources.
May link timed ventricular ectopy to atrial arrhythmias; hypothesis-generating and requires validation before clinical consideration.
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G Csapó (1971) conducted an observational in Atrial arrhythmias (n=5). Ventricular premature beats was evaluated on Initiation and termination of atrial arrhythmias. Ventricular premature beats occurring 0.04-0.10 seconds after the onset of the P wave were observed to initiate and sometimes terminate atrial arrhythmias.
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