34 träffar

ArticleMyocardial ischemia and infarction
Posterior acute myocardial infarction (STEMI)

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…

ArticleEchocardiography
Tricuspid regurgitation (TR/TI)

…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…

ArticleEchocardiography
Mitral valve stenosis

…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…

ArticleProcedurer
Bone marrow aspiration and biopsy

…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…

ArticleProcedurer
Dix–Hallpike test and Epley manoeuvre

…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…

ArticleReferensvärden
ECG parameters

…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…

ArticleProcedurer
Reduction of dislocations

…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…

ArticleEchocardiography
The Coronary Arteries

…The posterior third of the interventricular septum is supplied by the right coronary artery. Arteries to the posterior wall (these arteries branch of after the…

ArticleProcedurer
Ankle-brachial index (ABI)

…the fibular artery can also be sought anterior to the lateral malleolus. Calculation: for each leg, the highest of the dorsalis pedis and posterior tibial…

ArticleProcedurer
Joint aspiration

…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…

ArticleProcedurer
Laryngeal mask and difficult airway

…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…

ArticleProcedurer
Nasogastric tube

…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…

ArticleProcedurer
Paracentesis

…of the rectus abdominis — this avoids the inferior epigastric artery, which runs on the posterior aspect of the rectus muscle along its lateral border and…

ArticleProcedurer
Pericardiocentesis

…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…

ArticleProcedurer
Skin biopsy — punch, shave and excision

…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…

ArticleProcedurer
Foreign body in the ear and nose

…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…