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Articles
STEMI: Fibrinolysis, Indications, Contraindications and Rescue PCI

…objective is restoration of coronary blood flow to the infarct zone, thereby limiting infarct size and preserving myocardial function. The benefit of reperfusion is strongly…

Common laboratory tests

…the presence of inflammation Transferrin saturation 15–50 % < 15 % indicates iron deficiency whatever the ferritin Vitamin B12 150–650 pmol/L Grey zone 150…

Short Synacthen test

…or radiotherapy, or with suspected suppression of the HPA axis after long term glucocorticoid treatment. A basal morning cortisol in the grey zone. A morning…

ECG Criteria for STEMI (ST Elevation Myocardial Infarction)

…vector typically shifts in the direction of the outer epicardial layers, producing ST elevations over the ischemic zone [15]. In the earliest stages of ischemia…

ST-Elevation Myocardial Infarction Complicated by Cardiogenic Shock

…original infarct zone. Coronary Occlusion and Myocardial Injury STEMI generally results from abrupt reduction in coronary blood flow caused by thrombotic occlusion of a previously…

Factors that modify the natural course in acute myocardial infarction (AMI)

…to grow new vessels into the ischemic zone. Newly formed vessels, which may originate from other branches of the same coronary artery or another coronary…

Myocardial Ischemia &amp; infarction: Cellular changes, ECG and symptoms

…myocardium to endure 20 to 30 minutes of severe ischemia. If myocardial perfusion (blood flow) in the ischemic zone is not restored before that time…

Short and long-term prognostication in cardiac arrest

…Biological death usually occurs within minutes thereafter; survival is highly unlikely after 8–10 minutes of no flow (i.e. cardiac arrest without any circulation)…

Physiological Assessment of Coronary Stenoses and Revascularization Decisions

…and in some cases substantially narrowed, the role of revascularization itself in stable coronary artery disease, while a distinct evidence base has emerged for coronary…

Technical aspects of the ultrasound image

Echocardiography Generating the ultrasound image The ultrasound transducer generates short bursts (pulses) of ultrasound waves. Reflected ultrasound waves are analyzed by the machine during the…

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