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

…radiotracers emit positrons. When a positron collides with an electron, they annihilate each other, producing two gamma photons emitted in opposite directions. PET scanners detect…

The ECG leads: Electrodes, limb leads, chest (precordial) leads and the 12-Lead ECG

…of the heart and it is created by analyzing several electrodes. In other words, each ECG lead is computed by analyzing the electrical currents detected…

Alcohol and Cardiovascular Disease

…in females or at least 15 drinks weekly in males, or binge drinking in either sex. Other definitions of unhealthy drinking include at least two…

Diagnostic Criteria for Acute Myocardial Infarction: Cardiac troponins, ECG & Symptoms

…ECG changes and symptoms. Troponins and other biomarkers of myocardial necrosis (infarction) Myocardium can endure 20 to 30 minutes of complete ischemia. After this period…

Diabetic ketoacidosis and hyperosmolar hyperglycaemic state: quick reference

…the effective osmolality, because urea crosses cell membranes relatively freely and therefore does not produce the same sustained shift of water [3]. Severity of DKA…

Other ECG changes in ischemia and infarction

…of ischemia (but the sensitivity is low). U wave changes always accompany other ischemic ST T changes. They may occur in both NSTEMI and STEMI…

Acute exacerbation of COPD: quick reference

…Akutsjukvård Lathundar Key messages Two things set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the…

🟠 Ticagrelor (Brilinta, Brilique)

…administration, warnings, precautions, and other relevant information for the drug Ticagrelor . Table 1 Summary Indications Ticagrelor, in combination with acetylsalicylic acid (ASA), is indicated for…

Familial and Genetic Screening in Premature Cardiovascular Disease

…Familial and genetic screening in cardiovascular medicine is the systematic assessment of relatives and other individuals who may carry an inherited predisposition to cardiovascular disease…

LDL Cholesterol Targets Across Cardiovascular Risk Categories

…C) is the principal therapeutic target in lipid management because LDL and other apolipoprotein B containing lipoproteins play a causal role in atherosclerotic cardiovascular disease…

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