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Chabner Ch11- Tests

Cardiovascular System - Laboratory Tests & Clinical Procedures

BNP measurement of BNP (brain natriuretic peptide) in blood.
cardiac biomarkers 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.
lipoprotein electrophoresis lipoproteins (combinations of fat and protein( are physically separated and measured in a blood sample.
angiography x-ray imaging of blood vessels after injection of contrast material.
computed tomogaphy angiography (CTA) three-dimensional x-ray images of the heart and coronary arteries using computed tomography (CT) (64-slice CT scanner).
digital subtraction angiography (DSA) video equipment and a computer produce x-ray images of blood vessels.
electron beam computed tomography (EBCT or EBT) electron beams and CT identify calcium deposits in and around coronary arteries to diagnose early CAD.
doppler ultrasound studies sound waves measure blood flow within blood vessels.
echocardiography (ECHO) echoes generated by high-frequency sound waves produce images of the heart.
positron emission tomography (PET) scan images show blood flow and myocardial function following uptake of radioactive glucose.
technetium Tc 99m sestamibi scan technetium Tc 99m sestamibi injected intravenously 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.
cardiac MRI images of the heart are produced using radiowave energy in a magnetic field.
cardiac catheterization thin, flexible tube is guided into the heart via a vein or an artery.
electrocardiography (ECG) recording of electricity flowing through the heart.
Holten monitoring an ECG is worn during a 24-hour period to detect cardiac arrhythmias.
stress test exercise tolerance test (ETT) determines the heart's response to physical exertion (stress).
catheter ablation brief delivery of radiofrequency or cryosurgery to destroy areas of heart tissue that may be causing arrhythmias.
coronary artery bypass grafting (CABG) arteries and veins are anastomosed to coronary arteries to detour around blockages.
defibrillation brief discharges of electricity are applied across the chest to stop dysrhythmias (ventricular fibrillation).
extracorporeal circulation heart-lung machine diverts blood from the heart and lungs while the heart is repaired.
heart transplantaion a donor heart is transferred to a recipient.
percutaneous coronary intervention (PCI) balloon-tipped catheter is inserted into a coronary artery to open the artery. stents are put in place.
throbolytic therapy drugs to dissolve clots are injected into the bloodstream of patients with coronary thrombosis.
Created by: mahepath