Sinus Tachycardia



Sinus Tachycardia EKG tracing

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Caliper Time Interval: ___ seconds




RhythmRegular
RateFast (> 100 bpm)
P WaveNormal, may merge with T wave at very fast rates
PR IntervalNormal (0.12-0.20 sec)
QRSNormal (0.06-0.10 sec)
NotesQT interval shortens with increasing heart rate