As the 12 leads of the same tracing show above, there is a typical rsR' pattern in V1, which is diagnostic of RBBB. In leads I and aVL of this tracing, the wide QRS complexes are made of a broad S ...
The correct diagnosis is sinus tachycardia and acute inferior wall MI with second-degree atrioventricular (AV) block due to Mobitz type I ( Wenckebach) (Figure 2). The rhythm is regular, except for ...