Second Degree Heart Block Type I



Second Degree Heart Block Type I EKG tracing

marker1
marker2






Caliper Time Interval: ___ seconds




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