Soon Kwang Chiew

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BACKGROUND Contrast echocardiography has been shown to improve diagnostic quality, especially in technically difficult patients. However, the learning curve and increased time for preparation and image acquisition have led to low use. METHODS We sought to determine whether the contrast echocardiography procedure performed independently by a specialized,(More)
In non-cardioembolic stroke patients, the cardiac manifestations of high blood pressure are of particular interest. Emerging data suggest that echocardiographically determined left ventricular hypertrophy is independently associated with risk of ischemic stroke.The primary objective of this study was to evaluate the frequency of different patterns of left(More)
Hypotension, bradycardia, and contrast induced chest pain are potential complications of cardiac catheterization and coronary angiography. Catheter-induced coronary spasm has been occasionally demonstrated, but its relationship to spontaneous coronary spasm is unclear. We describe a 64-year-old female who underwent coronary artery bypass surgery in 1998 on(More)
Alpha-latrotoxin, a potent stimulator of exocytosis from neurons and neuroendocrine cells, has been studied intensively, but the mechanisms of its actions are poorly understood. Here, we developed a new method to generate active recombinant alpha-latrotoxin and conducted a structure/function analysis of the toxin in stimulating Ca2+-dependent exocytosis.(More)
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