[ RadSafe ] Linearity with Tc99m shortage?

Brunkow, Ward ward.brunkow at wipp.ws
Fri Dec 7 08:04:39 CST 2007

It is my understanding that most medical facilities use Thallium anyway
over TC99 for Cardiac stress tests, it is much cheaper but has much
longer T 1/2. The last time I had the procedure I requested Tc99 as I
didn't want the longer T1/2 while working in a highly restricted nuclear
facility, and they accommodated me, who know what they charged the
insurance company.  


-----Original Message-----
From: radsafe-bounces at radlab.nl [mailto:radsafe-bounces at radlab.nl] On
Behalf Of Diane Griffiths
Sent: Friday, December 07, 2007 4:28 AM
To: radsafe at radlab.nl
Subject: [ RadSafe ] Linearity with Tc99m shortage?

I know we have discussed that hospitals can't get the Tc99m for patient 
studies, this brings me to another question.. How can we do linearity on
Dose Calibrators?

I have two locations where the linearity is due by the end of this
and they can't get any Tc99m at all. They have switched their cardiac 
procedures to Thallium until the shortage is over.


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