نتایج جستجو برای: thallium i
تعداد نتایج: 1042315 فیلتر نتایج به سال:
Chemicals: Thallium (I) nitrate (TlNO3, 99.9%), tetrabutylammonium iodide (TBAI, 99%), tetrabutylammonium bromide (TBABr, 98%), 1-octadecene (ODE, tech. 90%), oleylamine (OLA, tech. 70%), oleic acid (OA, tech. 90%), potassium bromide (KBr, 99%) and fluorescein sodium salt (98.5-100.5%) were purchased from Sigma-Aldrich. Hexane (98%), toluene (99.5%), 1-butanol (99.5%) and acetonitrile (99.8%) w...
Slow Inward Current, Thallium Intoxication, Voltage Clamp, Available Intracellular Energy To conclude our investigation of thallium effects on cardiac tissues, we studied the slow inward current of sheep cardiac Purkinje fibres exposed to 10“7 to 105 m Tl+ for extended periods of up to 80 min. Our previous results had suggested a possible involvement of the slow inward current during thallium i...
Fifty-two patients with suspected coronary artery disease underwent coronary angiography, thallium-201 myocardial imaging, and ECG-gated blood pool ventriculography at rest and at maximal exercise. In 11 patients without coronary artery disease, all thallium images were normal. The resting ejection fraction (EF) was normal in all 11 patients and increased during exercise in six, was unchanged i...
This study assesses the relationship between the distribution of thallium-201 and myocardial blood flow during coronary vasodilation induced by intravenous dipyridamole in canine models of partial and complete coronary artery stenosis. 10 dogs were chronically instrumented with catheters in the left atrium and aorta and with a balloon occluder and electromagnetic flow probe on the proximal left...
Fifty-two patients with suspected coronary artery disease underwent coronary angiography, thallium-201 myocardial imaging, and ECG-gated blood pool ventriculography at rest and at maximal exercise. In 11 patients without coronary artery disease, all thallium images were normal. The resting ejection fraction (EF) was normal in all 11 patients and increased during exercise in six, was unchanged i...
Background and purpose: Viable tissue detection after STEMI can lead to successful revascularization for reversing myocardial dysfunction. The purpose of this study was to compare the Thallium-201 SPECT and MRI findings in viability assessment. Materials and methods: A cross-sectional study was performed in 17 patients with STEMI. In addition to Thallium SPECT, contrast enhanced MRI imaging ...
The following case report of thallium poisoning is of interest from several points of view. It emphasizes the effect of thallium on the renal and vascular systems and its role as a possible cause of hypertension even in childhood; it indicates that a complete cure may be obtained without the use of dimercaprol (B.A.L.); and it affords scope for discussion of the possible mechanisms whereby, in ...
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