Thallium Stress Protocols

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Presentation transcript:

Thallium Stress Protocols Myocardial Perfusion Thallium Stress Protocols

One Day Stress/Rest 201Thallium Treadmill One Day Stress/Rest 201Thallium Treadmill Target = 85% maximum heart rate Inject Tl-201 immediately followed by 10cc saline flush Continue treadmill 1-2 minutes Image begins 10-15 minutes post stress dose Patient from stress portion wait time is 2.5-4 hours May image when patient returns or reinject 1 mCi Tl-201 for rest Image begins 30-60 post rest reinjection For a thallium stress test, the stress portion must always be done first and imaging whether treadmill or chemical must be started ASAP due to redistribution of the thallium. With treadmill for any radiopharmaceutical the heart rate should be allowed to return to baseline in order to avoid what is called the cardiac creep.