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RE: Dose estimate for lithotripsy procedure
Lithotripsy is a procedure where multiple ultrasound beams are focused on
the kidney stone. The resulting shock wave pulverizes the stone.
This, in and of itself, does not result in any ionizing radiation dose.
However, physicians use fluoroscopy to localize the stone and accurately
position the lithotriper. Fluoroscopy may generate entrance skin exposures
of 1-5 R/min, depending on the size of the patient and kVp and mA settings.
Here in California, state law prohibits fluoro units from operating at
exposure rates exceeding 5 R/min for a "typical patient."
Thomas L. Morgan, Ph.D.
Director of Health Physics
Radiation Safety Officer
Isotope Products Laboratories
1800 N. Keystone Street
Burbank, CA 91504
818-558-1375 (voice)
818-843-6168 (fax)
tmorgan@isotopeproducts.com
-----Original Message-----
From: radsafe@romulus.ehs.uiuc.edu [mailto:radsafe@romulus.ehs.uiuc.edu]
On Behalf Of PriceCarolJ@uams.edu
Sent: Tuesday, November 07, 2000 9:26 AM
To: Multiple recipients of list
Subject: Dose estimate for lithotripsy procedure
Would anyone have a good estimate of the dose a person would receive from a
lithotripsy procedure?
PriceCarolJ@UAMS.Edu <mailto:PriceCarolJ@UAMS.Edu>
http://www.uams.edu/safety <http://www.uams.edu/safety> ; check out our
web page
Carol J. Price, MS Phone:
501-686-5536
Radiation Safety Officer Fax:
501-296-1339
Occupational Health & Safety
4301 W. Markham, Slot 617
Little Rock, AR 72205
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information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html