G S Saayman

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A 25-night single-blind cross over design was employed to determine the long-term effects of clozapine on the sleep patterns of six normal young adults. Subjects received 12.50 mg placebo on the first and last five nights, whereas on the intermediate 15 nights 12.5 mg clozapine was administered. The subjects slept in the laboratory on the third and fourth(More)
A nine consecutive night, double-blind design was used to assess the effects of a psychotropic agent (clozapine) upon sleep parameters as well as measures of mood and performance in a group of seven normal, young adults. Placebo was administered to a control group of seven subjects. EEGs and EOGs were monitored throughout the night in a laboratory(More)
Left ventricular noncompaction/hypertrabeculation is a condition which is characterized by a highly trabeculated, "spongy" myocardium.It can present at any age with heart failure, arrhythmia and/or thromboembolic events.A wide variety of mutations have been found to be a cause of hypertrabeculation and it is possible that there is a continuum of(More)
Left ventricular noncompaction has been classified as a primary cardiomyopathy with a genetic origin. This condition is morphologically characterized by a thickened, two-layered myocardium with numerous prominent trabeculations and deep, intertrabecular recesses. Recently, it has become clear that these pathological characteristics extend across a continuum(More)
Sudden and unexpected death in the young is a common and worldwide problem. Sudden, unexpected death in infancy (SUDI), clinically unexpected death in an infant between one week and one year of age, affects around 1 in 1000 infants. Autopsy will reveal a specific cause of death in only one third of cases. This has led to various ancillary examinations in an(More)