Myocardial Perfusion

Coronary Collateralization
... the vessel lumen at the expense of its cell wall in response to myocardial stresses—specifically, myocardial spasm and hypoxia secondary to myocardial infarction or ... to preserve myocardium by salvaging tissue perfusion and maintaining blood pressure as have documented this. 1982 study of the effect of collaterals on rest and stress myocardial perfusion, left ventricular function, and myocardial infarction prevention was most influential in turning the tide of professional opinion ...

Perfusion Scanning - NM Perfusion - Myocardial Perfusion Imaging
... Myocardial perfusion imaging (MPI) is a form of functional cardiac imaging, used for the diagnosis of ischemic heart disease ... Following this, the heart rate is raised to induce myocardial stress, either by exercise or pharmacologically with adenosine, dobutamine or dipyridamole (aminophylline can be used to ... second attendance is required 1–7 days later (although, with a Tl-201 myocardial perfusion study with dipyridamole, rest images can be acquired as little as two-hours post stress) ...

Astellas Pharma - Products
... injection) - Pharmacologic stress agent for myocardial perfusion scan Adenoscan (adenosine injection) - Pharmacologic stress agent for myocardial perfusion scan Lexiscan (regadenoson ...

Myocardial Perfusion Imaging
... Myocardial perfusion scan is a nuclear medicine procedure that illustrates the function of the heart muscle (myocardium) ... from coronary artery disease (CAD) to hypertrophic cardiomyopathy and myocardial wall motion abnormalities ... While a myocardial perfusion scan can determine with significant accuracy whether a patient has two or fewer coronary arteries which are dangerously occluded, the ...