…Contraindications Type Condition : : Absolute Suspected base of skull fracture or a marked midfacial fracture — the tube can pass through a fracture in the cribriform plate…

…septal and posterior leaflets of the tricuspid valve adhere to the ventricular myocardium (failure of embryological delamination). The tricuspid valve annulus is displaced apically 0…

…Left posterior fascicular block is diagnosed when the axis is between 90° and 180° with rS complex in I and aVL as well as qR…

…Left posterior fascicular block is diagnosed when the axis is between 90° and 180° with rS complex in I and aVL as well as qR…

…posterior myocardial infarction may be accompanied by inferior infarction if the occlusion affects both vascular territories. This will result in ST segment elevations in II…

…ischaemia may still require urgent reperfusion assessment. Posterior myocardial infarction may be electrically subtle on the initial standard ECG. A nondiagnostic tracing therefore does not…

…entirely on the posterior fascicle. The initial vector will be directed inferiorly ( Figure 1, panel A ), yielding a small r wave in inferior leads (II…

…with annulus fibrosus (the fibrous ring). The mitral valve has an anterior leaflet and a posterior leaflet . The anterior leaflet has a semi circular shape…

…commonly called vestibular neuritis, but posterior circulation stroke is the most important dangerous differential diagnosis. Clear focal neurological findings are absent in roughly half of…

…not the skin. Aspiration needle (iliac crest or sternal needle with stylet) and a Jamshidi type biopsy needle. Syringes: a small 5–10 mL syringe…

…normally 950–1150 mL/min Haemodynamic profiles in shock Type CO SVR CVP/PCWP ScvO₂ : : : : : : : : : Hypovolaemic ↓ ↑ ↓ ↓ Cardiogenic ↓ ↑ ↑ ↓…

…dysarthria, dysphagia, ataxia Posterior circulation stroke Unilateral hearing loss or tinnitus Ménière's disease, vestibular schwannoma, labyrinthitis Continuous vertigo that does not come in attacks…

…The QT interval is measured in the lead in which it is longest, usually II or V5, and the U wave must not be included…

…in a first time dislocation , so as not to reduce a fracture dislocation or to miss a posterior dislocation. The exceptions are an obvious recurrent…

Visual assessment of regional wall motion (left ventricle) TYPE OF MOTION DEFINITION WALL MOTION SCORE Normal Normal thickening (typically 30% thickening from end diastole to…

…V7, V8 and V9 in patients with high suspicion of posterior acute myocardial infarction (e.g due to reciprocal ST segment depressions in V1, V2…

…atrium is activated passively. The upper boundary of this circuit may be located either anterior or posterior to the superior vena cava. A critical area…

…biphasic defibrillators , which are standard due to superior efficacy over monophasic devices. Electrode position (anterior posterior vs. antero lateral) does not affect success, but active…

…such as De Winter T waves, Wellens syndrome, posterior infarction signs, and terminal QRS distortion—compared to standard STEMI criteria. Observational data suggest that up…

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

…Coronary artery dominance: left dominance vs. right dominance The coronary artery that supplies the PDA (posterior descending coronary artery), which supplies the inferior wall of…

…hallucis longus tendon. Measure in the same way as on the arm. 4. Posterior tibial artery — behind the medial malleolus. Measure. 5. Repeat on the…

…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…

…exceed 60 cmH₂O . Gel cuffed masks of the i gel type have no cuff to inflate and are chosen on weight alone. When in doubt…

…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. A small (under 10 mm), loculated or purely posterior effusion with no safe route for puncture — surgical drainage or pericardiotomy instead. Relative: uncorrected coagulopathy…

…branches of the facial nerve at the temple, the accessory nerve in the posterior triangle of the neck, and the superficial nerves of the forearm…

…or polyps. Examination of the posterior pharyngeal wall may reveal secretions or a cobblestoned appearance of the mucosa. Laryngoscopy may be performed to assess for…

…Coronary artery dominance: left dominance vs. right dominance The coronary artery that supplies the PDA (posterior descending coronary artery), which supplies the inferior wall of…

…3), acute marginal branch (AM, 4), atrioventricular nodal branch (AV), right posterior descending artery (RPDA, 4), and right posterolateral branch (RPLB, 16). The LMCA (5…

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

…occlusion affects both vascular territories. This will result in ST segment elevations in II, aVF and III. Figure 1. Posterolateral (posterior, inferobasal) transmural ischemia causes…

…fibers from the left bundle branch. Coronary artery dominance The coronary artery that supplies the PDA (posterior descending coronary artery), which supplies the inferior wall…

…or inflammation around the object. A small, smooth or transparent object lying posteriorly or superiorly. Attempts already made and failed elsewhere. A child who cannot…