Blocked premature atrial contractions

Last revised by Henry Knipe on 12 Nov 2018

Blocked premature atrial contractions (BPACs) are considered a type cardiac bradyarrhythmia and if occurring in utero is classified under a fetal bradyarrhythmia.

Pathology

It is seen when a premature atrial contraction occurs very early on and consequently, it is not conducted into the ventricles due to a refractory AV node or His bundle 1.

See also

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