Table 1.

Required radiologic technique factor ranges

Parameter	Operational mode
	Fluoroscopy		Image recording
	Pulsed GI/GU	Pulsed interventional	Cardiac	Non-cardiac
Pulse width (ms)
Maximum adults	8	8	8	50
Maximum pediatrics	5	5	5	20
Optimum pediatrics	4	4	4	10
Pulse rate (pulses/s)	1, 2, 4, 8	7.5, 15, 30	7.5, 15, 30	1, 2, 3, 4, 6
High voltage settings (kVp)
Optimum/standard filter	70	70	70	70
Minimum/standard filter	60	60	60	60
Maximum/standard filter	120	120	120	120
Optimum/spectral filter	(filter thickness dependent; 50–0 kVp)
Tube current (mA)
Minimum	10	10	100	100
Maximum	100	100	1000	1000