Clinical use of nuclear cardiology in the assessment of heart failure

Table 1 Normal values of diastolic parameter using ^99mTc tracers

	JSNM WG
No. of subjects	60
Age (yr)	58 ± 15
Heart rate (beats/min)	66 ± 12
PFR (/s)	2.69 ± 0.57
1/3 mean filling rate (per s)	1.60 ± 0.39
TTPF (ms)	167 ± 38
TTPF/RR interval	0.18 ± 0.03
EF (%)	68 ± 6

JSNM WG: Japanese Society of Nuclear Medicine Working group; PFR: Peak filling rate; TTPF: Time to PFR; EF: Ejection fraction.