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OBJECTIVES To compare percentage non-caeruloplasmin bound copper (%NCC) to generally accepted values. DESIGN AND METHODS Using data for 338 normal individual patients, we calculated the %NCC. RESULTS The %NCC ranged (median) from -59.75% to 51.98% (8.75%) respectively. The non-parametric reference interval was -23.44% to 22.99% with 43.8% of the %NCC(More)
Thallium is a heavy metal whose salts are used in some rodent poisons and in the manufacture of optical lenses, semiconductors, scintillation counters, low temperature thermometers, and switching devices, green coloured fireworks, and imitation jewelery, and as chemical catalysts. In clinical practice thallium isotopes are used in cardiac scanning, but the(More)
Serial measurements of plasma mercury were made in a patient with severe and prolonged acute renal failure due to poisoning with mercuric chloride. An initial mercury concentration in whole blood of 1200 micrograms/l (6 mumol/l) was recorded, and recovery of renal function coincided with a fall in plasma mercury concentration to below 100 micrograms/l (0.5(More)
INTRODUCTION Inorganic mercury poisoning is uncommon, but when it occurs it can result in severe, life-threatening features and acute renal failure. Previous reports on the use of extracorporeal procedures such as haemodialysis and haemoperfusion have shown no significant removal of mercury. We report here the successful use of the chelating agent(More)
The National Poisons Unit, London, carried out a pilot survey to investigate the frequency and severity of adverse effects/toxicity from exposure to traditional medicines and food supplements reported to the Unit. Enquiries related to suspected poisoning events were reviewed retrospectively from January 1983 to March 1989, and prospectively in 1991. Further(More)
BACKGROUND An investigation on copper metabolism usually includes the measurement of serum levels of copper and caeruloplasmin. Using these levels, some laboratories derive levels of non-caeruloplasmin-bound copper (NCC); however, a considerable number of patients may show negative values, which is not physiologically possible. AIM To derive an equation(More)
BACKGROUND The aim of this paper is to describe an incident where elemental mercury led to widespread contamination and the exposure of 225 individuals and confirmed toxicity in 19 individuals. The paper describes the incident and difficulties found in trying to assess the risk to individuals and to identify and decontaminate the residences involved. (More)