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Pericardiocentesis

…tachypnoea, cold periphery Almost always Pulsus paradoxus above 10 mmHg A fall in systolic blood pressure during inspiration; one of the most useful signs Low…

The electrical axis of the heart (heart axis): ECG & physiology

…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…

Ankle-brachial index (ABI)

…patient must have rested lying down for at least 10 minutes in a room at a comfortable temperature — a cold foot gives falsely low pressures…

The electrical axis of the heart (ECG axis)

…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 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…

Posterior Myocardial Infarction: Diagnosis on the Standard ECG

…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…

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

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…

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…

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…

Acute vertigo: quick reference for HINTS and differential diagnosis

…Acute vestibular syndrome is often caused by acute unilateral vestibulopathy, commonly called vestibular neuritis, but posterior circulation stroke is the most important dangerous differential diagnosis…

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