[ RadSafe ] KI tablets for persons doing radioiodinations with I-125

[North, David]

You have to be careful. Administration of KI may require a physician's prescription where you are. A good, simple, effective alternative for thyroid blocking is to wash your hands with a iodinated surgical scrub such as Betadine, if it's available. It has worked for me personally. Such surgical scrubs are notorious for interfering with nuclear medicine thyroid studies.

David L. North, Sc.M., DABR
Associate Physicist
Medical Physics
Main Bldg. Rm 317
Rhode Island Hospital
593 Eddy St.
Providence, RI 02903
(401)444-5961
fax: (401)444-4446
dnorth at lifespan.org



> ----------
> From: 	radsafe-bounces at radlab.nl on behalf of Wes
> Reply To: 	WesVanPelt at Verizon.net
> Sent: 	Thursday, January 25, 2007 10:52
> To: 	radsafe at radlab.nl
> Subject: 	[ RadSafe ] KI tablets for persons doing radioiodinations with I-125
> 
> Radsafers,
> 
> I am curious to know if any radiation safety programs make use of potassium
> iodide (KI) in the event of an accidental (or routine?) uptake of I-125 when
> handled in the lab. This would be most likely when performing
> radioiodination reactions to label proteins or antigens.
> 
> Issues I am thinking about include:
> 	Possible adverse side effects from KI in some individuals.
> 	Is a physician's prescription needed?
> 	Would a "patient consent" form be advisable or required?
> 	At what action level (intake or radiation dose) would KI be
> administered?
> 	Would blocking thyroid uptake with cold KI invalidate thyroid
> bioassay measurements?
> 
> Thanks in advance.
> 
> Best regards,
> Wes
> Wesley R. Van Pelt, PhD, CIH, CHP
> Wesley R. Van Pelt Associates, Inc.
> 
> 
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