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Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Type 1 Second-degree ... characterized by progressive ... interval on the electrocardiogram ... P wave (i.e., a ... #MedStudent #EKG
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Type 1 Second-degree ... characterized by progressive ... interval on the electrocardiogram ... P wave (i.e., a ... #MedStudent #EKG
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
the AV node Second ... at the AV node Second ... random fashion with progressive ... heart #heartblock #cardiology ... ekg #diagnosis #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Dropped P • Progressive ... non-conducted P wave ... beyond AV node) ... Diagnosis #EKG #electrocardiogram ... #ecg #cardiology