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Second Degree Heart Block Type I

EKG Reference
Second Degree Heart Block Type I
RhythmIrregular but with progressively longer PR interval lengthening
RateThe underlying rate
P WaveNormal
PR IntervalProgressively longer until a QRS complex is missed, then cycle repeats
QRSNormal (0.06-0.10 sec)
Notes 

Second Degree Heart Block Type I EKG Tracing


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