…thrombus is pumped from the right ventricle through the pulmonary valve into the main pulmonary artery. Depending on the size and form of the thrombus…

…right ventricular outflow tract) become dilated, which further agravates the regurgitation. The proximal portion of the pulmonary artery may also be dilated in patients with…

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

…P pulmonale: right atrial enlargement (hypertrophy, dilatation) Enlargement of the right atrium is commonly a consequence of increased resistance to empty blood into the right…

…80% of cases. Other causes include acute mechanical complications—particularly ventricular septal defect (VSD) and papillary muscle rupture with acute severe mitral regurgitation—predominant right…

…intravenous drug addicts). Myxomatous degeneration. Rheumatic heart disease. Dilatation of the right ventricle. Dilatation of the right atrium. Pulmonary hypertension. Left to right shunt. Right…

…pulmonale is very common. Figure 2. Two ECGs showing left and right ventricular hypertrophy. Next chapter Biventricular Hypertrophy Related chapters Overview of Hypertrophy and Dilatation…

…VT]). The VF waveform is initially coarse ( i.e fibrillatory waves have large amplitudes) but as the duration of VF is prolonged, the amplitude gradually…

…in antiphospholipid syndrome and in marked renal failure. Duration of treatment: at least 3 months. Extended treatment in unprovoked pulmonary embolism, a persisting risk factor…

…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…