Echocardiography Tricuspid regurgitation The tricuspid valve separates the right ventricle and the right atrium. It normally consists of three leaflets (anterior, posterior and septal leaflet…

…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…

…pronounced "R prime"), which is directed anteriorly and rightward. Due to the abnormal depolarization sequence of the right ventricle in RBBB, repolarization is also abnormal…

…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…

…of His, which bifurcates into the left bundle branch (LBB) and the right bundle branch (RBB). The left bundle branch further divides into the anterior…

…These require a QRS duration exceeding 140 msec in males and 130 msec in females , along with slurring or notching of the mid QRS in…

…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…

…20 mL syringes, a three way tap. A Seldinger set with a guidewire, a dilator and a 5–8 F pigtail catheter , plus a drainage…