Sunday, November 22, 2015

Other Myocardial Tracers

Rb-82
Ultra short half life
Myocardial perfusion
PET scanning
O-15 Water
Free diffusible, uptake directly proportional to blood flow
Best tracer for myocardial blood flow detection
PET Scanning
N-13 ammonia

Myocardial perfusion
PET Scanning
C-11 acetate
Oxidative substrate
Can be used for both perfusion and metabolism
PET Scanning
C-11 palmitate
Fatty acid substrate
Metabolism
PET Scanning
FDG
Glucose metabolism
Metabolism
PET Scanning
BMIPP (I-123)
Fatty acid
Myocardial ischemic memory imaging
(normal myocardium metabolizes fatty acids, during ischemia switches to glucose; if ischemia occurred dark spots on BMIPP imaging, used for detection of ischemia that occurred hours prior. Also, provides viability assessment)
MIBG
Similar to norepinephrine
Sympathetic neuronal imaging for heart failure

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