The Abbott iStat is currently used by the armed services and worked very
well in hot and dusty Iraq until the temperature exceeded ~37 deg C.
During the hottest part of the day, the only way to obtain a U/E result
was by keeping and operating the iStat in our platelet incubator or
thermopol, or occasionally by holding the instrument in front of our
struggling air conditioning unit, (the fridge wasn't an option - it
created condensation inside the iStat, and by this stage the Ektachem
had also given up). Despite this, the QC results were surprisingly good
for both gases and Na/K - we even have the graphs to prove it, but it
would be interesting to know of an analyser that can cope with such
adverse conditions and ambient temperatures above 40 deg C.
Linda Hadcocks
Gynae Oncology
St Bartholomew's Hospital
London.
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