Positron emission tomography (PET) is usually taken as the gold standard for assessment of myocardial viability. A mismatch between perfusion and metabolism whereby underperfused region of myocardium is
Balanced myocardial ischaemia If all three major coronary branches have similar degree of stenosis, the radionuclide used for perfusion study will have equal uptake in all regions of
Single photon emission computed tomography (SPECT) - pros and cons: Important advantages of SPECT are that it has been extensively validated and has a good sensitivity, compared to
Thallium 201 single photon emission computed tomography (SPECT) Thallium 201 SPECT imaging is one of the oldest methods of assessing myocardial viability, though of late it is seldom
Prosthetic valve endocarditis and intracardiac device related endocarditis are difficult to diagnose and treat. Because of dense acoustic shadowing related to the components of prosthetic valves and cardiac
PET CT in aortic disease Positron emission tomography (PET) using fluorodeoxyglucose (FDG) is useful in detecting areas of high metabolic activity as in case of inflammatory cells and
Metabolic tracers for PET scan include C-11 palmitate, I-123 Beta-methyl-p-[123I]-iodophenyl-pentadecanoic acid (BMIPP) and F18 fluro-deoxy glucose (FDG).
