Table 2. Doses of radiation (dose-area product, DAP) needed for plain film radiography examinations in children^*.

Procedure	Age (years)	Dose needed according to the Department of Pediatric Radiology, Giessen (DAP) [µGym2]	Diagnostic reference values (DRVs) [µGym2]
Head AP	<1	7 to 8	30
	1 to 5		40
Head lat.	<1		30
	3 to 7
Chest AP	Premature infants	0.3	0.3
	Neonates		0.8
	<1		2
	1 to 5	1.1	3
	6 to 12	2.7	4
Chest lat.	3 to 7	1.1	7
	8 to 12	2.7	8
Abdomen	<1	0.3	25
	3 to 7	0.2	50
	8 to 12	0.6	60
Pelvis	1 to 5	2.3	25
	6 to 12	6.6	30
MCU	Neonates	1.0	60
	<1		90
	1 to 5	2.0	120
	6 to 12 years	3.0	240

^*Using a modern storage-plate system (Agfa, DX-S) and taking all possible measures to reduce the dose according to the current diagnostic reference values of Germany’s Federal Office for Radiation Protection (Bundesamt für Strahlenschutz) (17, 18, 22, 23, e7) MCU: Micturating cysto-urethrogram