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Myocardial perfusion imaging (MPI or MPS) is a nuclear medicine procedure that illustrates the function of the heart muscle. It uses radioisotopes such as thallium-201 or technetium-99m to evaluate coronary artery disease, heart wall motion abnormalities and myocardial infarction.
A cardiac stress test is a cardiological examination that evaluates the cardiovascular system's response to external stress within a controlled clinical setting. It can be performed using physical exercise, pharmacological stimulation, or nuclear imaging, and it can help diagnose coronary artery disease, arrythmias, and other heart conditions.
Cardiac MRI perfusion is a non-invasive imaging test that uses gadolinium contrast and adenosine stress to detect perfusion defects in the heart muscle caused by narrowed coronary arteries. It can assess the significance of a stenosis or screen for ischaemia in patients with chest pain and risk factors.
The Bruce protocol is a standardized diagnostic test used to evaluate cardiac function and physical fitness, developed by American cardiologist Robert A. Bruce. It involves walking on a treadmill with electrodes on the chest to monitor the heart, and increasing the speed and incline every 3 minutes until termination.
Imaging tests such as stress radionuclide myocardial perfusion imaging or stress echocardiography can confirm a diagnosis when a person's history, physical exam, ECG and cardiac biomarkers suggest the likelihood of a problem. [13]
Cardiac imaging is the use of ultrasound, MRI, CT, or nuclear medicine to visualize the heart and its functions. Learn about echocardiography, cardiac MRI, cardiac CT, cardiac PET and cardiac SPECT, and their indications, advantages, and disadvantages.
Coronary ischemia is reduced blood flow to the heart muscle due to coronary artery disease or spasm. It can cause chest pain, heart attack, or silent ischemia. Learn about the risk factors, diagnosis, and treatment of coronary ischemia.
Perfusion scanning is the process of observing, recording and quantifying the passage of fluid through the lymphatic system or blood vessels to an organ or a tissue. Learn about different methods of perfusion scanning, such as microspheres, CT, MRI and nuclear medicine, and their applications in various fields of medicine.
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