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Posterior acute myocardial infarction (STEMI)

…heart is rotated 30° to the left in the thorax. This positions the basal portion of the left lateral wall posteriorly in thorax (Figure 1…

Posterior Myocardial Infarction: Diagnosis on the Standard ECG

…infarction Definition and Pathophysiology Posterior myocardial infarction is myocardial necrosis involving the posterior region of the left ventricle, usually as part of an inferoposterior or…

Fascicular block (hemiblock): Left anterior & left posterior fascicular block

…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…

Tricuspid regurgitation (TR/TI)

…Left to right shunt. Right ventricular dysfunction due to pressure/volume overload is the most common cause. Ebstein's anomaly The prevalence of Ebstein's…

Mitral valve stenosis

…dilation. Atrial dilation causes a significantly increased risk of atrial fibrillation. The increase in left atrial pressure may also propagate backward to the pulmonary circulation…

Acute vertigo: quick reference for HINTS and differential diagnosis

…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…

Bone marrow aspiration and biopsy

…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…

Circulatory and haemodynamic parameters

…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…

Dix–Hallpike test and Epley manoeuvre

…reversal of the nystagmus is common. 6. Repeat on the left side. A positive test in the posterior canal is characterised by: A latency of…

ECG parameters

…90° Left axis deviation — left anterior fascicular block, inferior infarction, hypertrophy +90° to +180° Right axis deviation — right ventricular strain, lateral infarction, left posterior fascicular…

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