RT Journal A1 POTTENGER FM T1 THe effect of tuberculosis on the heart JF Archives of Internal Medicine JO Archives of Internal Medicine YR 1909 FD October 1 VO IV IS 4 SP 306 OP 322 DO 10.1001/archinte.1909.00050200013002 UL http://dx.doi.org/10.1001/archinte.1909.00050200013002 AB A good heart is one of the best assets possessed by a patient suffering from pulmonary tuberculosis. From the earliest infection by the tubercle bacillus it is more or less disturbed in its action, and as the focus of infection grows larger the effect on the heart becomes greater. The deleterious influences which react on the heart are many and from varied sources. The heart problem increases in complexity as well as in importance as the disease advances in severity. While it would seem that, with the present-day knowledge of tuberculosis and the means at our command for making an early diagnosis, we should see a greatly diminished number of cases of advanced tuberculosis in the future, yet I fear that it will be a long time before tuberculosis will be generally diagnosed early; and I do not doubt that any knowledge that may be added bearing on the condition