PMID: 7992445Oct 10, 1994Paper

Left ventricular hypertrophy in patients with aortic stenosis. A comparison between electrocardiography and echocardiography

Ugeskrift for laeger
H S SonneB O Kristensen


Using echocardiography (ECHO) as the reference method, the aim of this study was to determine the sensitivity, specificity, and predictive value of the electrocardiogram (ECG) in detection of left ventricular hypertrophy (LVH) in patients with aortic stenosis. Forty-one patients, 18 men and 23 women aged 25-80 years (mean 49 years) with uncomplicated aortic stenosis were studied. ECG-LVH was estimated by standard fixed voltage criteria. ECHO-LVH was defined according to left ventricular mass (LV mass) calculated by the Penn method. In the total material, the correlation between ECG-LVH and ECHO-mass was poor (r = 0.56, p < 0.05). The sensitivity and specificity of the ECG was respectively 50% and 100%. The positive predictive value of the ECG in detection of LVH was high (100%). We conclude that the sensitivity of the ECG in detection of LV hypertrophy is unsatisfactorily low. Accordingly, it is recommended that echocardiography be performed in all patients suspected of aortic stenosis.

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