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  • Title: [Type of posture and RI + SIII index in Einthoven's bipolar limb ECG in left heart hypertrophy caused by arterial hypertension].
    Author: Naumann D.
    Journal: Z Gesamte Inn Med; 1991 Aug; 46(10-11):390-4. PubMed ID: 1833889.
    Abstract:
    In 179 hypertensives with above all mild hypertension, 31 borderline hypertensives and 55 normotensives of male sex for the proof of a left-ventricular hypertrophy were determined the type of position and the index RI + SIII from the bipolar limb-ECG after Einthoven and compared with the left-ventricular muscle mass established in a 2-D-regulated M-mode echocardiogram. Thereby in the not very much distinct cases of hypertrophy the index RI + SIII of more than 2.5 mV given by Gubner and Ungerleider has proven itself fully insensitive, whereas an index of more than 1.1 mV resulted in a sensitivity of 50% and a specificity of 73.5% for a left-ventricular hypertrophy which was made evident by means of echocardiography. In the total spectre of the diagnostics of hypertrophy the Einthoven-ECG has further its full justification.
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