Cardiology Principles of myocardial perfusion imaging Myocardial perfusion imaging (MPI) is a non invasive technique for detecting and quantifying coronary artery disease (CAD). It offers…

…an atherosclerotic plaque may also release atherosclerotic debris downstream, causing microvascular embolization (i.e occluding smaller vessels downstream). The thrombosis causes occlusion of the artery…

…Objective evidence of myocardial ischaemia. Absence of obstructive coronary artery disease, defined as no stenosis exceeding 50% diameter reduction and/or an FFR 0.80…

…associated fatty liver disease is also independently related to cardiovascular disease, particularly coronary artery disease. Hyperuricaemia and Endothelial Dysfunction Insulin resistance impairs renal tubular handling…

Emergency medicine Myocardial ischemia and infarction Definition and pathophysiology Acute coronary syndrome (ACS) comprises a spectrum of clinical presentations caused by suspected acute myocardial ischaemia…

…the onset of myocardial infarction. This is utilized in clinical practice by detecting troponins in patients with suspected acute coronary syndromes. Several manufacturers have developed…

…cardiomyocyte necrosis and cardiac troponin release meeting the criteria of the universal definition of MI. Clinically, UA is defined by one or more of the…

…restenosis (ISR) is recurrent narrowing within a previously implanted coronary stent. It represents a form of arterial hyperplastic disease arising after percutaneous coronary intervention (PCI)…

…The central pathophysiological concern in the emergency department is myocardial ischaemia caused by an acute coronary process. Myocardial injury leads to release of cardiac troponin…

…Myocardial injury Myocardial injury is a biochemical diagnosis defined by at least one cardiac troponin value above the assay specific 99th percentile upper reference limit…