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Sinus Arrhythmia

EKG Reference
Sinus Arrhythmia
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

Sinus Arrhythmia EKG Tracing


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