[Early detection of diseases of the circulatory system in vocational school students with particular reference to the prevention of coronary disease and arterial hypertension]. / Wczesne wykrywanie chorób ukladu krazenia u mlodziezy szkól zawodowych ze szczególnym uwzglednieniem prewencji choroby wiencowej i nadcisnienia tetniczego.

A group of 201 boys of vocational schools living in an area of developing industry (Belchatów) and another area of developed industry (Lódz) were examined twice: at the age of 16-17 (I examination) and 14-18 months later (II examination). Incomplete right bundle-branch block and intraventricular conduction impairment have been demonstrated mainly in the resting ECG tracings (Table I). The risk factors of coronary heart disease were increasing with age, especially in boys of Belchatów area (Table II). Five boys with risk factors of coronary heart disease exhibited ischaemic type of postexertional ST segment changes (Table III).

[Health status of the students of elementary mining and power engineering schools with special reference to arteriosclerosis and coronary disease risk factors]. / Stan zdrowia uczniów zasadniczej szkoly górniczej i energetycznej ze szczególnym uwzglednieniem wystepowania czynników zagrozenia miazdzyca naczyn i choroba wiencowa.

The investigations were aimed at an evaluation of the health status of mining-and-power engineering school pupils from the viewpoint of classification to work at a strip mine and power station. Special attention was paid to the detection of possible causes of atherosclerosis and coronary heart disease 811 boys aged 14--20 were examined. Their physical development was good. No pathologies in the respiratory tract were found. Hands force was normal. Of six analysed risk factors most frequent were: hypertension and smoking habit. The percentage of pupils affected was increasing with age: arterial hypertension (from 5.5% to 15.7%) and smoking habit (from 6.1% to 43.3%).