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Antiplatelet Therapy in Secondary Prevention After Myocardial Infarction

…This balance changes according to the clinical setting, time from MI or percutaneous coronary intervention (PCI), ischaemic risk, bleeding risk, need for anticoagulation, and whether…

Myocardial Ischemia & infarction: Cellular changes, ECG and symptoms

…exercise. Thus, supply and demand are balanced and no ischemia occurs. (Some individuals display a benign form of ischemia located in the subendocardium during exercise…

Physics of myocardial perfusion imaging (SPECT, PET): Radiotracers, perfusion, blood flow and viability

…annihilate each other, producing two gamma photons emitted in opposite directions. PET scanners detect these gamma rays to construct images with high spatial and temporal…

Upper gastrointestinal bleeding: quick reference

…anaesthesia for other reasons. Extubate as soon as it is safe to do so after the endoscopy. Fluid and monitoring Use a balanced crystalloid in…

Myocardial Perfusion Imaging With SPECT and PET

…attenuation and other technical factors. Relative perfusion assessment has an important limitation: it requires a normally perfused reference territory. In diffuse coronary disease, balanced multivessel…

Percutaneous Coronary Intervention Versus Coronary Artery Bypass Grafting in Multivessel Coronary Artery Disease

…ventricular dysfunction, peripheral vascular disease and other manifestations of diffuse atherosclerosis. Percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) are revascularization procedures. Both…

Blood gas interpretation: quick reference for acid-base disorders

…and whether the other variable lies within the expected range of compensation. Sample type and baseline values An arterial blood gas is the reference method…

Hyponatraemia: quick reference for work-up and correction

…primarily a disorder of water balance. The plasma sodium reflects the ratio between the body's exchangeable sodium and potassium and the total body water…

Dietary Patterns and Cardiovascular Outcomes

…also describes possible antiarrhythmic effects, associated with reductions in sudden cardiac death and atrial fibrillation. Dietary quality also affects energy balance. Highly processed foods may…

Invasive Coronary Angiography: Indications and Vascular Access

…intraluminal mass and lesion haziness raise suspicion of thrombus, although haziness is not specific. Intravascular imaging can identify plaque disruption, thrombus and other structural features…

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