…stricture or a known diverticulum Relative Recent nasal or pharyngeal surgery Signs that should raise the suspicion of a base of skull fracture: periorbital bruising…

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)…

…of the QRS complex in leads I and II. The following rules apply: Normal axis : Net positive QRS complex in leads I and II. Right…

…of the QRS complex in leads I and II. The following rules apply: Normal axis: Net positive QRS complex in leads I and II. Right…

…the left in the thorax. This positions the basal portion of the left lateral wall posteriorly in thorax (Figure 1). This area is most frequently…

…have improved by the time of medical evaluation, because transient or evolving ischaemia may still require urgent reperfusion assessment. Posterior myocardial infarction may be electrically…

…causes left posterior fascicular block (LPFB) . In a fascicular block, the myocardium without fascicular supply will depend on impulses spreading from other parts of the…

…and P3 (posterior or lateral scallop). Figure 1. Anatomy of the mitral valve The leaflets are connected to the papillary muscles via chordae tendineae (Figure…

…but posterior circulation stroke is the most important dangerous differential diagnosis. Clear focal neurological findings are absent in roughly half of patients with a central…

…Choice of site The posterior superior iliac spine is the standard site for both aspiration and biopsy in adults. Here the posterior part of the…