Computer-aided reading of 12-lead scalar ECGs was performed in 2.883 out-patients with a tracing- and processing-system of IBM, Periphere Computer Systeme and Schwarzer using the Bonner analysis-program version 2. After analog-to-digital conversion and storage on a floppy disk the ECG data were transferred by telephone to an IBM-computer at Munich. It the same way the prints were received from there. The review by a cardiologist showed correct interpretation in 95%. The accuracy was calculated as follows: Sensitivity 96%, specificity 96%. The same program can now be used in an ECG-cart with a built in microprocessor, a so-called stand-alone version.
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