Some of these regions, however, maybe nontransmurally infarcted rather than entirely
nonviable, especially when flow and FDG uptakeare not markedlybelow 50% of normal …

A comment on this article appears in" Maximizing thallium stress/redistribution scans." J Nucl
Med. 1991 Jun; 32 (6): 1313-4. A comment on this article appears in" Rest reinjection of …

The reverse redistribution phenomenon (RR) with the apparent worsening of a stress-
induced defect or appearance of a new area of relative hypoperfusion does not always …

FiGURE 1. Diagramof standardsegmen tation schemeused for regionalthalliumup
takeandassignmentofcoronaryvascularter ritories. Assignment ofthe leftventricularapex was …

Reverse redistribution (RR) ie, worsening of images from exercise to redistribution, was
noted in 21 (7%) of 300 consecutive thallium-201 (201TI) exercise and redistribution …

The pattern of reverse redistribution on the day 10 poststreptokinase resting thallium-201
myocardial scintigrams is a common finding in patients who have undergone streptokinase …

A total of 19 patients had myocardial perfusion imaging with thallium-201 thallous chloride
(Tl-201) immediately after maximal treadmill exercise and 4–6 hours later (redistribution) …

Rest 201 Tl imaging has been used for detecting viability, but the ideal timing for imaging
after injection to maximally estimate viability is not well established. Thirty patients with fixed …

(12, 13). Their protocol involved us ing 75 MBq (2 mCi) of 201i@ for the stress study,
reinjecting 37 MBq (1 mCi) of 201'flas soon as the exercise images were completed and …

1058-1060. 15. Popinaii, SmithermanTC, WalkerBS, SimonTR, DehmerGJ. Reverse
redistribution of thallium-201 detected by SPECT imaging after dipyri damolein …