…suggest aortic dissection CT of the brain Exclude intracerebral haemorrhage and assess early ischaemic changes CT angiography The standard investigation in acute stroke to identify…

…Pathophysiology Acute aortic syndromes comprise classic aortic dissection, intramural haematoma (IMH), and penetrating atherosclerotic ulcer (PAU). Aortic dissection accounts for approximately 80%–90% of acute…

…Types 2–5 MI have other mechanisms of myocardial ischaemia and necrosis. Unstable angina (UA) represents myocardial ischaemia without demonstrable acute cardiomyocyte injury or necrosis…

Clinical medicine Emergency medicine Definition and pathophysiology Acute limb ischaemia (ALI) is an abrupt reduction in arterial perfusion of an upper or lower limb that…

…The classification of acute PE comprises four clinically useful groups: High risk PE , also termed massive PE, is defined by haemodynamic instability and represents approximately…

…serious arrhythmia or acute heart failure. Routine opening of a persistently occluded infarct related artery in a stable and asymptomatic patient is by contrast not…

…present, neurological examination, gait and truncal stability Acute balance syndrome Acute persistent unsteadiness or ataxia without clear spontaneous nystagmus Cerebellar or brainstem infarction, intoxication, Wernicke…

…to the prevention of platelet mediated coronary thrombosis after acute coronary syndrome (ACS) and percutaneous coronary intervention (PCI). Aspirin irreversibly inhibits cyclooxygenase and thereby suppresses…

…These ST segment depressions are mirror images of the ST segment elevations, and they are seen in leads with a roughly opposite angle to the…

…many cases, the renal injury probably represents acute tubular necrosis arising from the combined effects of contrast exposure and other ischaemic or nephrotoxic stresses. The…