[The effect of radon baths on the physical work capacity and extrasystole in patients with ischemic heart disease and stable stenocardia].

Balneotherapy was given to 113 patients with ischemic heart disease (IHD) with stable angina (functional class I and II). 40 patients and 43 patients took radon baths (40 nCi/l and 120 nCi/l, respectively), 30 patients took the course of fresh-water baths. Treatment results were assessed at spiroveloergometry and ambulatory Holter monitoring.