Sinoatrial Block

EKG Reference
Sinoatrial Block
RhythmIrregular when SA block occurs
RateNormal or slow
P WaveNormal
PR IntervalNormal (0.12-0.20 sec)
QRSNormal (0.06-0.10 sec)
NotesPause time is an integer multiple of the P-P interval Try to identify specific type of atrial tachycardia - see other pages

Sinoatrial Block EKG Tracing

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