Electrocardiographic study after collapse therapy in pulmonary tuberculosis
Malhotra, R.P. and Kapoor, S.C. (1954) Electrocardiographic study after collapse therapy in pulmonary tuberculosis. Indian Journal of Tuberculosis, 2 (1). pp. 3-14.
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The advent of the electrocardiogram posed certain problems in the explanation of certain patterns observed, and it was quite natural to turn to the field of collaspe therapy, because the changes in the anatomy were rather easily discernible and near experimental conditions could be simulated. It was early realised that the position of the heart and its rotations around its various axes profoundly influenced the electrocardiographic pattern, particularly so in the case of ‘axis deviation*. The intro-duction of the unipolar lead technique confirmed the above work and the knowledge that the electrocardiographic changes seen after pulmonary collapse are mainly caused by change in position of the heart.
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