Table 2.

PET tracers characteristics

	H2 15O	13NH3	82Rb	18F-flurpiridaz
Half-life	123 s	9.97 min	76 s	110 min
Production	Cyclotron	Cyclotron	Generator	Cyclotron
Kinetics	Freely diffusible, metabolically inert	Metabolically trapped in myocardium	Metabolically trapped in myocardium	Metabolically trapped in myocardium
Mean positron range in tissue	1.1 mm	0.4 mm	2.8 mm	0.2 mm
Data acquisition	Dynamic	Dynamic, static	Dynamic, static	Dynamic, static
Scan duration	6 min	20 min	6 min	20 min
Gating/LV function	−	+	+	+
Radiation dose	~0.4 mSv	~1 mSv	~3 mSv	~4 mSv
Quantification	Excellent	Good	Moderate	Very good
Image quality	Good (parametric images)	Very good	Good	Excellent

H₂ ¹⁵O, oxygen-15-labeled water, ¹³NH_3, 13 N-labeled ammonia; ⁸²Rb, ⁸²rubidium; LV, left ventricular; other abbreviations as in Table 1