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- Apex of the heart: What it is, function, and medical conditions
The apex of the heart is the very tip and helps pump or “wring out” blood from the ventricles to the rest of the body (LV apex) or the lungs (RV apex) It does this by helping regulate the
- What is a Perfusion Defect? How Can It Be Treated? - clinicast
What is a Perfusion Defect? Why Your Heart is at Risk? A perfusion defect is a medical term that refers to observations made on magnetic resonance imaging (MRI) of the cardiovascular system It is usually identified by performing a perfusion test
- Interpretation of myocardial perfusion images (SPECT, PET)
Interpreting myocardial perfusion SPECT images involves a systematic comparison of rest and stress images to assess myocardial ischemia and infarction The key steps in this process are outlined below
- What Is a Perfusion Defect? - Healthfully
Cardiac cells can endure a lack of perfusion for about 20 minutes before cellular death occurs, according to Huether and McCance Decreased blood flow to heart tissue leads to oxygen depletion, acid accumulation, electrolyte disturbances and the breakdown of cell membranes
- SPECT Myocardial Perfusion Imaging in the Diagnosis of Apical . . .
Myocardial perfusion single-photon-emission computed tomogram shows increased tracer uptake in the apex and a spade-like image of the left ventricle Perfusion images during stress (S) and the corresponding images at rest (R) are shown; arrows indicate an ace-of-spades appearance
- Heart Perfusion Imaging Scan: Heres What You Should Know - Healthline
What is a heart perfusion scan? Known also as a myocardial perfusion scan, this procedure uses a tiny amount of radioactive material (nuclear tracer) to help reveal how well or how poorly
- Myocardial Perfusion Imaging Test: PET and SPECT
Myocardial perfusion imaging (MPI) is a test that shows how well blood flows through the heart muscle There are two kinds of MPI: PET scan and SPECT scan Both PET and SPECT are nuclear medicine procedures The scans can help diagnose or detect many heart conditions
- Interpretation and clinical management of patients with “Fixed . . .
In patients with exertional symptoms of chest pain or shortness of breath, myocardial perfusion imaging is commonly performed with exercise stress to induce coronary hyperemia and link the symptoms induced during exercise to the location, extent, and severity of abnormal perfusion patterns
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