…Right ventricular infarction. Ebstein's anomaly (Figure 1). Carcinoid heart disease. Endocarditis (common in intravenous drug addicts). Myxomatous degeneration. Rheumatic heart disease. Dilatation of the…

…either LCX or the right coronary artery (RCA). For details, refer to chapter The Coronary Arteries. Mitral valve disease A wide range of conditions may…

…The hallmark of both RBBB and LBBB is the QRS duration which is by definition 120 ms or longer. ECG criteria for right bundle branch…

…with high suspicion of posterior acute myocardial infarction (e.g due to reciprocal ST segment depressions in V1, V2, V3). IIa B In patients with…

…in persons who are otherwise healthy. The majority of those with LAFB, however, have significant heart disease. Myocardial infarction, coronary artery disease, left ventricular hypertrophy…

…III and aVF (with QRS duration <0.12 seconds), provided that other causes of right axis deviation have been excluded. Causes of left axis deviation…

…III and aVF (with QRS duration <0.12 seconds), provided that other causes of right axis deviation have been excluded. Causes of left axis deviation…

…it. A small (under 10 mm), loculated or purely posterior effusion with no safe route for puncture — surgical drainage or pericardiotomy instead. Relative: uncorrected coagulopathy…

…duration of 120 ms (0.12 s) or more is required to diagnose a complete left bundle branch block . In addition to prolonged QRS duration…

…or other ECG changes (see below) should lead to a suspicion of ARVC. The gradual loss of myocardium leads to ventricular dilation and right heart…