Kelwyn Williams

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To determine whether a cumulative sleep debt (in a range commonly experienced) would result in cumulative changes in measures of waking neurobehavioral alertness, 16 healthy young adults had their sleep restricted 33% below habitual sleep duration, to an average 4.98 hours per night [standard deviation (SD) = 0.57] for seven consecutive nights. Subjects(More)
AIM To assess the diagnostic accuracy of the JM 103 as a screening tool for neonatal jaundice and explore differential effects based on skin colour. METHODS We prospectively compared the transcutaneous bilirubin (TcB) and serum bilirubin (TSB) measurements of newborns over a 3 month-period. Skin colour was assigned via reference colour swatches.(More)
The Mean Platelet Volume (MPV) is a readily measured parameter using modern automated cell counters. Despite studies which indicate that MPV may be altered in various disease states, its widespread application has been hindered by its known dependence on factors such as time from venepuncture, choice of anticoagulant and sample storage temperature. In this(More)
We report the case of an 85 year old woman, admitted to h o s p i tal with a two month history of a depressive illness. Within one week of commencing treatment with cita l o p r a m 20mg daily, she had developed a widespread rash, bilateral ankle oedema and a range of bioch e m i cal and h a e m a t o l o g i cal abnormalities, including marked elevations(More)
Thrombocytopenia is frequently encountered in patients with lymphoproliferative disorders (LPD) and systemic erythromatosus (SLE) and to a lesser extent in association with other diseases such as rheumatoid arthritis (RA), pernicious anaemia (PA) and autoimmune haemolytic anaemia (AIHA). This report attempts to document the incidence of thrombocytopenia in(More)
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