Bundle-branch Block in Acute Myocardial Infarction

Bundle branch block in acute myocardial infarction.

The management of patients with acute myocardial infarction complicated by bundle branch block is a significant clinical problem and represents 8% to 13% of patients with acute infarction. This study reviews the records of 606 patients with myocardial infarction admitted to our coronary care unit. Forty-seven (8%) had complete bundle branch block. The risk of developing high-degree AV block in ...

Partial bilateral bundle branch block in acute myocardial infarction.

The relationship of partial bilateral bundle branch Mock to hospital mortality from acute myocardial infarction (MI) was studied concerning the need for prophylactic temporary transvenous pacemakers. Factors examined for their contributions to hospital mortality in 156 consecutive patients with acute MI were: age, sex, race, infarct location, number of prior infarctions, heart failure class (1-...

Bradycardia-dependent bundle branch block in acute myocardial infarction.

Acute myocardial infarction and left bundle branch block.

Complete left bundle branch block often masks old as well as acute myocardial infarctions. However, a diagnosis of acute myocardial infarction in the presence of complete left bundle branch block can be made when the acute injury current is large enough to modify the secondary repolarization abnormalities of left bundle branch block. Under these circumstances the classical ST-T changes of an ac...

Posterior myocardial infarction and complete right bundle- branch block.

We describe two patients with posterior myocardial infarction (PMI) with unusually atypical clinical presentations and cardiac enzymatic profiles, but with the abrupt development of complete AV block in patient 1, and Mobitz II second-degree AV block with paroxysmal phases of higher degrees of AV block in patient 2, and mitral regurgitation leading to symptomatic pulmonary congestion. Also, bot...