[Results of the electrocardiographic examination in pneumoconiosis of miners].


In the group of 333 miners of pitcoal mines, who had developed simple coniosis, deviation in EKG curve were analysed. The examination excluded cases with accompanying chronic bronchitis, bronchial asthma and arterial hypertension. The results did not reveal any significant changes which would prove that the right ventricle is overloaded. Differences in… (More)