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The authors studied the effects of diltiazem, administered alone and together with low-dose aspirin, on the platelet response to paired agonists. After a baseline period, 25 healthy volunteers were given oral diltiazem for 1 week (120, 240, or 360 mg/day), and then crossed over randomly between 1 week on diltiazem plus aspirin (81 mg/day), and 1 week on(More)
Dilantin has been reported to decrease myocardial uptake of Tl-201 thallous chloride by as much as 38.8% in rats. To date, no studies have been done in humans to document the effect of dilantin on the myocardial uptake of thallium or its effect clinically on the interpretation of images obtained while on dilantin. The authors report a case in which(More)
We present the case an 8-yr-old boy evaluated for anastomotic stenosis of the right pulmonary artery after surgical repair of hemitruncus at 6 wk of age. Pulmonary angiography revealed only mild narrowing and a 10-mm pressure gradient across the anastomosis, but quantitative perfusion imaging demonstrated that the right lung only received 16% of pulmonary(More)
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