Sinus rhythm resumes with increased heart rates during exercise ... This represents a greater disturbance of AV nodal conduction than first-degree AV block, but with exercise there should be a return ...
Normal sinus rhythm Third degree AV block (a.k.a. complete heart block) Inferior ST elevation myocardial infarction (Inferior STEMI) Incomplete right bundle branch block Ischemia of the AV node ...
The P waves appear sinus in origin and have no association with the QRS complexes indicating 3rd degree heart block (complete heart ... with the right ventricle first, then slowly spread to ...