Inferior-Posterior STEMI Example #1. ... Type #4: Acute MI with a Right Bundle Branch Block. Recall that a right bundle branch block does not stop us from detecting a STEMI on an ECG.

The computer read shows normal sinus rhythm (80 beast/min), first degree atrioventricular (AV) block, premature atrial contractions (PACs), and right bundle branch block (RBBB) (Figure 1). Figure 1.

They reaffirmed the importance of identifying posterior STEMI and performing immediate reperfusion therapy in those patients. ... Left Bundle Branch Block With Sgarbossa Criteria.

An inferior wall MI — also known as IWMI, or inferior MI, or inferior ST segment elevation MI, or inferior STEMI — occurs when inferior myocardial tissue supplied by the right coronary artery ...