Karen Clement at 17:15, 12 September 2019

2019-09-12T17:15:31Z

Intern: Created page with "The position at which the cumulative air kerma for interventional x-ray equipment is measured in order to reasonably represent the air kerma incident on the patient’s skin s..."

2019-06-10T13:53:33Z

Created page with "The position at which the cumulative air kerma for interventional x-ray equipment is measured in order to reasonably represent the air kerma incident on the patient’s skin s..."

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The position at which the cumulative air kerma for interventional x-ray equipment is measured in order to reasonably represent the air kerma incident on the patient’s skin surface. For isocentric ﬂuoroscopes (C-arms) the patient entrance reference point is deﬁned (IEC 2010) as lying on the central axis of the x-ray beam 15cm from the isocentre in the direction of the focal spot. ([[ICRP Publication 135]], 2017)

''[[ICRP Glossary]] entry - May 2019''

← Older revision		Revision as of 17:15, 12 September 2019
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	The position at which the cumulative air kerma for interventional x-ray equipment is measured in order to reasonably represent the air kerma incident on the patient’s skin surface. For isocentric ﬂuoroscopes (C-arms) the patient entrance reference point is deﬁned (IEC 2010) as lying on the central axis of the x-ray beam 15cm from the isocentre in the direction of the focal spot. ([[ICRP Publication 135]], 2017)		The position at which the cumulative air kerma for interventional x-ray equipment is measured in order to reasonably represent the air kerma incident on the patient’s skin surface. For isocentric ﬂuoroscopes (C-arms) the patient entrance reference point is deﬁned (IEC 2010) as lying on the central axis of the x-ray beam 15cm from the isocentre in the direction of the focal spot. ([[ICRP Publication 135]], 2017)

		+	''ICRP Glossary entry - May 2019''

−	''[[ICRP Glossary]] ~~entry - May 2019~~''	+	===Previous Description===
		+	For isocentric fluoroscopic systems such as C-arm fluoroscopes, the patient entrance reference point is located along the central x-ray beam at a distance of 15 cm from the isocentre in the direction of the focal spot (IEC, 2010). The earlier version of this standard refers to this point as the ‘interventional reference point’ (IEC, 2000). The patient entrance reference point is close to the patient’s entrance skin surface when the heart is at the isocentre of the gantry. (From [[ICRP Publication 120]], 2012)
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		+	'''Return to [[ICRP Glossary\|Glossary]]'''

Patient entrance reference point - Revision history

Karen Clement at 17:15, 12 September 2019

Intern: Created page with "The position at which the cumulative air kerma for interventional x-ray equipment is measured in order to reasonably represent the air kerma incident on the patient’s skin s..."