Sinus Arrhythmia EKG Reference


Sinus Arrhythmia

Sinus Arrhythmia EKG tracing
RhythmIrregular, varying with respiration
RateNormal (60-100 bpm) and rate may increase during inspiration
P WaveNormal
PR IntervalNormal (0.12-0.20 sec)
QRSNormal (0.06-0.10 sec)
NotesHeart rate frequently increases with inspiration, decreasing with expiration