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Chemicals are measured in the blood as evidence of a heart attack.
lipid tests (lipid profile)
Measurement of cholesterol and triglycerides (fats) in a blood sample.
X-ray imaging of blood vessels after injection of contrast material.
computed tomography angiography (CTA)
3-D x-ray images of the heart and coronary arteries using computed tomography (64-slice CT scanner).
Doppler ultrasound studies
Sound waves measure blood flow within blood vessels.
Echoes generated by high-frequency sound waves produce images of the heart.
Images of the heart are produced using radio wave energy in a magnetic field.
Thin, flexible tube is guided into the heart via a vein or an artery.
Recording of electricity flowing through the heart.
An ECG device is worn during a 24-hour period to detect cardiac arrhythmias.
Exercise tolerance test (ETT) determines the heart's response to physical exertion (stress).
coronary artery bypass grafting (CABG)
Arteries and veins are anastomosed to coronary arteries to detour around blockages.
Brief discharges of electricity are applied across the chest to stop dysrhythmias (ventricular fibrillation).
Surgical removal of plaque from the inner layer of an artery.
A donor heart is transferred to a recipient.
Drugs to dissolve clots are injected into the bloodstream of patients with coronary thrombosis.
Laboratory Tests and Clinical Procedures