Blocked premature atrial contractions

Dr Henry Knipe and Radswiki et al.

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


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

Share article

Article information

rID: 15083
Tag: cases
Synonyms or Alternate Spellings:
  • Blocked pre-mature atrial contractions
  • Blocked premature atrial contraction
  • Blocked pre-mature atrial contraction
  • Blocked premature atrial contractions (BPAC)

Support Radiopaedia and see fewer ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.