BMC Medical Imaging

Table 3 CT exposure parameters by anatomic region for adult examination

From: Establishment of local diagnostic reference levels for common adult CT examinations: a multicenter survey in Addis Ababa

Examination	Protocol	CT facilities
Examination	Protocol	1	2	3	4	5	6	7	8	9
Head	kVp	120	120	120	130	100	110	120	120	120
	mAs	320	400	350	250	165	150	400	350	160
	Pitch	1.37	0.67	1.0	0.55	1.0	1.0	0.6	0.6	0.5
Chest	kVp	120	120	120	130	120	110	120	120	80
	mAs	250	250	300	100	165	125	250	300	70
	Pitch	0.98	0.86	1.0	1.5	0.75	1.0	0.8	0.6	0.6
AP	kVp	120	120	120	130	120	110	120	120	80
	mAs	300	250	250	125	160	150	200	250	90
	Pitch	0.5	0.86	1.0	1.5	0.75	1.0	1.1	0.6	0.55

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ISSN: 1471-2342

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