…valve into the main pulmonary artery. Depending on the size and form of the thrombus, it will occlude the main pulmonary artery or its branches…

…of the P wave depends on where the atrial lead is fixed. Typically, the atrial lead is fixed next to the right atrial appendage, or…

…in V6 with QRS duration <120 ms) D: Profound sinus bradycardia (<30 beats/min or sinus pauses ≥3 s) Explanation: Incomplete Right Bundle Branch Block…

…duration: left bundle branch block. Right bundle branch block. Non specific intraventricular conduction delay. Hyperkalaemia. Class I antiarrhythmic drugs. Tricyclic antidepressants. Phenothiazines. Ventricular beats or…

…marked renal failure. Duration of treatment: at least 3 months. Extended treatment in unprovoked pulmonary embolism, a persisting risk factor, or recurrence. Special situations Situation…

…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…

…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…

…of catheterization) Congenital dysplasia/aplasia of the pulmonary valve Idiopathic pulmonary artery dilation Pulmonary regurgitation results in right ventricular volume overload, which gradually causes right…

…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…

…stenosis results in increased right atrial pressure, which subsequently causes right atrial dilation. Vena cava inferior may also dilate secondarily. Principles of management Medical therapies…