Biomedical subjects
Publications and source records attributed to J Wartak.
A graph consisting of small squares of equal size preprinted on a transparent plastic chart can be used for a quick and accurate calculation of the VCG loop area in each quadrant of the three conventional planes.
A simple scale, which allows the ECG reader to assess the regularity of the RR (or PP) interval and to detect the P wave train, has been presented.
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