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South east coast ambulance

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https://www.readbyqxmd.com/read/19596301/striking-out-at-stroke-a-comparative-perspective-from-south-east-coast-ambulance-service-in-the-united-kingdom
#1
Geoffrey T Miller, David Davis, Jon Griffiths
No abstract text is available yet for this article.
July 2009: JEMS: a Journal of Emergency Medical Services
https://www.readbyqxmd.com/read/18780226/the-importance-of-assessing-the-fidelity-of-electrocardiographs-by-using-a-simple-calibration-signal
#2
D I Tayler, R Vincent, B Jolley
ECG distortion, mimicking changes seen in acute myocardial infarction, occurred in traces transmitted by the South East Coast NHS Ambulance Trust. This was due to low frequency phase nonlinearity produced by baseline filtering. The very narrow calibration pulses made the detection of this distortion difficult. A 1 mV square wave signal revealed the cause. Adequate calibration pulses 0.3 s wide should be recorded with all ECGs, to show that the signal is being reproduced reliably.
September 2008: Journal of Medical Engineering & Technology
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