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A new ECG biomarker for sudden cardiac death

…limits scale and generalizability. Deep learning offers a way around this: an ECG can be fed directly into a classifier with no human feature extraction…

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…

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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