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measurement of brain natriuretic peptide in the blood. elevated in patients with heart failure.
chemicals measured in the blood as evidence of a heart attack. damaged heart muscle releases chemicals into the bloodstream. the substances tested for are troponin-I and troponin-T
lipoproteins (combinations of fat and protein) are physically separated and measured in a blood sample
computed tomography angiography; 3-D x-ray images of the heart and coronary arteries using computed tomography
digital subtraction angiography; electron beams and CT identify calcium deposits in and around coronary arteries to diagnose early CAD
transesophageal echocardiography; trasducer is placed in the esophagus and provides ultrasound and doppler information
positron emission tomography scan; images show blood flow and myocaridal function following uptake of radioactive glucose
technetium Tc 99m sestamibi scan
Technectium Tc 99m sestamibi injected iintravenously is taken up in cardiac tissue, where it is detected by scanning
thallium 201 scan
concentration of radioactive thallium is measured to give information about blood supply to the heart muscle
exercise tolerance test (ETT) determines the heart's response to physical exertion (stress)
brief dellivery of radiofrequency or cryosurgery to destroy areas of heart tissue that may be causing arrhythmias
coronary artery bypass grafting; arteries and veins are anastomosed to coronary arteries to detour around blockages
brief discharge of electricity are applied across the chest to stop dysrhythmias (v-fib)
heart-lung machine diverts blood from the heart and lungs while the heart is repaired
drugs to dissolve clots are injected into the bloodstream of patients with coronary thrombosis
cardiac troponin-I and cardiac troponin-T; released into the bloodstream after myocardial injury
high density lipoprotein; high blood levels are associated with lower incidence of coronary artery disease
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