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

…ideal tracer exhibits high extraction from blood to tissue and high retention, with a linear relationship between myocardial blood flow and measured tracer activity over…

Regional Myocardial Contractile Function: Wall Motion Abnormalities

…of all ischemic episodes are asymptomatic (refer to The Ischemic Cascade). Acute coronary syndromes occur when atherosclerotic plaques rupture or erode, leading to atherothrombosis and…

Amiodarone: Loading, Maintenance Dosing and Monitoring Schedule

…nor desethylamiodarone is dialyzable. The volume of distribution is large, averaging 60 L/kg, and the drug is highly protein bound (96%). The elimination half…

A new ECG biomarker for sudden cardiac death

…The problem has been that hand engineered ECG markers have never matched LVEF, and extracting them depends on expert annotation that limits scale and generalizability…

Foreign body in the ear and nose

…hydroxide ions are generated at the negative pole of the battery and produce a liquefactive necrosis that can reach the septal cartilage within a few…

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