Corrected QT (QTc) interval in pulmonary tuberculosis

Narang, R.K.; Singh, H.G.; Ahmad, Mohd.; Shukla, R.K. and Singh, R.P. (1988) Corrected QT (QTc) interval in pulmonary tuberculosis. Indian Journal of Tuberculosis, 35 (4). pp. 195-198.

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Abstract

The mean QTc interval in 30 healthy controls was 0.38S second (S.D. ± 0.024, range 0.320 to 0.430 second) while in 53 patients of pulmonary tuberculosis it was 0,413 second (S.D. +0.023, range 0.355 to 0.455 second). The difference is statistically highly significant. The QTc interval was beyond the normal range (0.436 SEC.) in 28.30% cases of pulmonary tuberculosis. It was not affected by the extent or duration of the pulmonary lesion, elevated body temperature or erythrocyte sedimentation rate. After 3 months of antituberculosis treatment there was a significant fall in QTc interval suggesting that the prolongation of QTc interval in tuberculosis was due to myocardial involvement. The exact mechanism of myocardial involvement is not clear, however; it may be duo either to direct involvement or to tuberculous toxaemia

EPrint Type:Article
Uncontrolled Keywords:Pulmonary Tuberculosis, QTc Interval, Antituberculosis Treatment, Heart, Toxemia, Chemotherapy
Subjects:Diagnosis > Diagnostic Techniques and Procedures > Diagnostic Techniques, Cardiovascular > Heart Function Tests > Electrocardiography
Therapeutics > Drug Therapy
Respiratory Tract Diseases > Lung Diseases > Tuberculosis, Pulmonary
-Journal Repositories > Indian Journal of Tuberculosis
Cardiovascular Diseases > Heart Diseases
Respiratory Tract Diseases > Respiratory Tract Infections > Tuberculosis, Pulmonary
ID Code:3200
Deposited By:Mrs Naina Pandita
Deposited On:16 January 2009

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