Acronym Definition
SSS  summed stress score 
RVG  radionuclide ventriculography 
ROI  region of interest 
RNA  radionuclide angiography 
RAD  roentgen absorbed dose 
PIOPED  prospective investigation of pulmonary embolism diagnosis 
PIB  Pittsburgh compound B (2-[4´-(methylamino)phenyl]-6-hydrobenzothiazole) 
PET  positron emission tomography 
OIH  orthoiodohippurate 
OEF  oxygen extraction fraction 
MUGA  multigated acquisition 
MRglc  glucose metabolic rate 
MMSE  mini-mental state examination 
MIBI  methoxy isobutyl isonitrile 
MIBG  meta-iodobenzylguanidine 
mHED  carbon-11 metahydroxyephedrine 
MHDP  methylene hydroxydiphosphonate 
MET  carbon-11 methionine 
MDP  methylene diphosphonate 
MCI  mild cognitive impairment 
MAG3  mercaptylacetyltriglycine 
LHR  lung heart ratio 
L-ECD  ethylene dicysteine diethyl ester 
IT  isomeric transitions 
IMP  isopropyliodoamphetamine 
HPLC  high-performance liquid chromatography 
HMPAO  hexamethylpropyleneamine oxime 
HED  carbon-11 hydroxyephedrine 
HDP  hydroxymethan diphosphonate 
HAS  human serum albumin 
GH  glucoheptonate 
GDS  global deterioration scale 
FMZ  carbon-11 flumazenil 
FLT  [18]F-3'-deoxy-3'-fluorothymidine 
FET  O-(2-[18F]fluoroethyl)-L-tyrosine 
FDOPA  3,4-dihydroxy-6-[18F]fluoro-phenylalanine 
FDG  fluorine-18 2-fluoro-deoxyglucose 
ENSDF  evaluated nuclear structure data file 
EHDP  ethane-1-hydroxy-1, 1-diphosphonate 
EDTA  ethylene-diamine-tetra-acetic acid 
ECD  ethyl cysteinate dimer 
DTPA  diethylenetriamine pentaacetic acid 
DPM  disintegration per minute 
DOTA  1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid 
DMSA  dimercaptosuccinic acid 
CPM  count per minute 
CMRO2  cerebral metabolic rate of oxygen 
CMRglc  cerebral metabolic rate of glucose 
CBV  cerebral blood volume 
CBF  cerebral blood flow