…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…

Myocardial ischemia and infarction ECG Posterior (posterolateral) acute myocardial infarction (STEMI) The heart is rotated 30° to the left in the thorax. This positions the…

…territory. Clinical Presentation and Symptoms The source material addresses posterior infarction primarily in the context of suspected acute coronary syndrome and acute myocardial ischaemia. Patients…

Conduction defects ECG Fascicular block (hemiblock): left anterior fascicular block & left posterior fascicular block Fascicular blocks were previously referred to as hemiblocks, but the latter…

…the right atrium. It normally consists of three leaflets (anterior, posterior and septal leaflet). The leaflets are attached to the subvalvular apparatus, consisting of the…

…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…

…infarction, intoxication, Wernicke's encephalopathy, other central disease Neurological examination, gait and truncal stability, often MRI Episodic triggered vestibular syndrome Brief attacks, usually lasting seconds…

…one or more cell lines. Suspected acute leukaemia, myelodysplastic syndrome or myeloproliferative neoplasm. Work up and staging of lymphoma and myeloma. Suspected bone marrow metastasis…

…posterior wall) ≤ 0.9 cm ≤ 1.0 cm Left atrial volume index ≤ 34 mL/m² ≤ 34 mL/m² TAPSE 17 mm 17 mm E/e…

…acute vestibular syndrome — continuous vertigo with spontaneous nystagmus, nausea and difficulty walking that has lasted hours to days — to distinguish vestibular neuritis from posterior circulation…

…left posterior fascicular block −90° to ±180° Extreme axis deviation Amplitude criteria Criterion Threshold Suggests : : : Sokolow–Lyon S in V1 + R in V5/V6 35…

…dislocation requiring operative treatment — contact an orthopaedic surgeon before attempting reduction. Posterior shoulder dislocation, which is often associated with fracture and requires an orthopaedic surgeon…

…1.2 1.3–1.5 1.6 0.6–1.0 1.1–1.3 1.4–1.6 1.7 Posterior wall thickness…

Info This page summarises the most current recommendations for the management of acute coronary syndromes with persistent ST segment elevations (i.e STEMI, ST segment…

…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…

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

…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…

…Advance the mask downwards along the posterior pharyngeal wall in a smooth movement until a clear resistance is felt — the tip of the cuff then…

…backwards, not upwards towards the bridge of the nose. The resistance at the posterior pharyngeal wall after about 10–15 cm is expected. 5. Ask…

…should undergo a diagnostic paracentesis , because spontaneous bacterial peritonitis often lacks abdominal pain and peritonism and instead presents as encephalopathy, renal failure or simply deterioration…

…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…

…In recent years, the concept of a distinct "cough hypersensitivity syndrome" has emerged, emphasizing the putative role of sensitized sensory nerve endings and afferent neural…

…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…

…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…

ECG Left main coronary artery occlusion Left main coronary artery (LMCA) occlusion is a rare but catastrophic manifestation of acute coronary syndromes. The LMCA supplies…

…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…

…low cardiac output and sensitivity to drugs that reduce preload. Posterolateral (posterior, inferobasal) STEMI (STE ACS) The heart is rotated 30° to the left in…

…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…