…lead (males and females). Differentiating posterolateral ischemia from right ventricular hypertrophy (RVH) It is occasionally difficult to differentiate right ventricular hypertrophy (RVH) from posterior acute…

ECG Myocardial ischemia and infarction Definition and Pathophysiology Posterior myocardial infarction is myocardial necrosis involving the posterior region of the left ventricle, usually as part…

…Figure 1. Left anterior fascicular block (anterior hemiblock) and left posterior fascicular block (posterior hemiblock). Left anterior fascicular block (LAFB) Left anterior fascicular block is…

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)…

…artery (LAD) and the left circumflex artery (LCX), whereas the posteromedial papillary muscle receives blood supply from either LCX or the right coronary artery (RCA…

…and truncal stability and investigate for a central cause. Acute vestibular syndrome is often caused by acute unilateral vestibulopathy, commonly called vestibular neuritis, but posterior…

…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…

…PE) ↓ ↑ ↑ ↓ Vital signs and measures of perfusion Parameter Normal Comment : : : Heart rate 50–100/min MAP 70–105 mmHg Target ≥ 65…

…Turn the head 45° to the right. 3. Support the head and lay the patient quickly into the supine position with the head extended approximately…

…women ≥ 1.5 mm Other leads ≥ 1.0 mm V7–V9 (posterior) ≥ 0.5 mm V3R–V4R (right ventricle) ≥ 0.5 mm (≥ 1.0 mm…

…an orthopaedic surgeon before attempting reduction. Posterior shoulder dislocation, which is often associated with fracture and requires an orthopaedic surgeon. Dislocation of a native hip…

…or no thickening (<10%) 3 Dyskinesia Paradoxical thinning and/or outward directed motion during systole 4 Aneurysmatic Diastolic deformation 5 Recommended by the American Society…

…B In patients with inferior myocardial infarction, consider connecting V3R and V4R to detect concomitant right ventricular infarction. IIa B Routine blood sampling for serum…

…posterior to the superior vena cava. A critical area of slow conduction is consistently located in the posterolateral to posteromedial inferior region of the right…

…post shock bradycardia, and use of biphasic defibrillators , which are standard due to superior efficacy over monophasic devices. Electrode position (anterior posterior vs. antero lateral…

…of OMI criteria—including subtle and nontraditional ECG patterns such as De Winter T waves, Wellens syndrome, posterior infarction signs, and terminal QRS distortion—compared…

…the right and left bundle branches. The left bundle branch further divides into the anterior and posterior fascicles. Both the right bundle branch and the…

…and the left circumflex coronary artery (LCX). Coronary artery dominance: left dominance vs. right dominance The coronary artery that supplies the PDA (posterior descending coronary…

…each leg, the highest of the dorsalis pedis and posterior tibial pressures is divided by the highest arm pressure of the two arms. Each leg…

…to the posterior surface of the patella. The shoulder The patient sits with the arm hanging relaxed and slightly internally rotated. The posterior approach is…

…facing the tongue and follow the hard palate with your index finger as a guide. 5. Advance the mask downwards along the posterior pharyngeal wall…

…resistance at the posterior pharyngeal wall after about 10–15 cm is expected. 5. Ask the patient to flex the head forward and swallow repeatedly…

…artery, which runs on the posterior aspect of the rectus muscle along its lateral border and is the commonest source of serious bleeding after paracentesis…

… it does not exclude Diastolic collapse of the right atrium and right ventricle The cardinal echocardiographic finding A dilated inferior vena cava without respiratory variation…

…nerve in the posterior triangle of the neck, and the superficial nerves of the forearm and the dorsum of the hand. Preparation and equipment Chlorhexidine…

…secretions, inflamed and edematous nasal mucosa, or polyps. Examination of the posterior pharyngeal wall may reveal secretions or a cobblestoned appearance of the mucosa. Laryngoscopy…

…the normal heart axis is between –30° and 90°. If the axis is more positive than 90° it is referred to as right axis deviation…

…the normal heart axis is between –30° and 90°. If the axis is more positive than 90° it is referred to as right axis deviation…

…as it shows the coronary arteries and their relation to the ECG leads. Note that Figure 1 is a right dominant system (i.e PDA…

…left posterior descending artery (LPDA, 15), and the left posterolateral branch (LPLB, 18). (B) Corresponding CT schematic with coronary artery origins from the right coronary…

…LBB) and the right bundle branch (RBB). The left bundle branch further divides into the anterior and posterior fascicles. The bundle branches and fascicles play…

…Also, note that posterolateral and right ventricular infarction may occur simultaneously (if both territories are affected by the same artery occlusion). Approximately 30% of patients…

…and it may to some extent receive oxygen from the blood in the ventricular cavity. The right bundle branch then runs deeper into the myocardium…

…A small, smooth or transparent object lying posteriorly or superiorly. Attempts already made and failed elsewhere. A child who cannot be kept still without sedation…