The diagnostic potentialities of tetrapolar chest rheography were examined in children with heart pathology, undergoing bicycle ergometry tests of different power. The method applied to 25 patients with organic heart lesions enabled latent heart failure to be diagnosed in 8 of them. The method can be used for the estimation of the treatment and rehabilitation measures with special reference to the follow-up of 119 children suffering from myocardiodystrophy.
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Article Synopsis
- The study examined how cycling performance is affected by low oxygen levels (hypoxia) at different exercise intensities (lactate thresholds 1 and 2) while keeping heart rate constant.
- Results showed that power output (PO) was significantly lower in hypoxic conditions at lower intensity (LT1), while differences at higher intensity (LT2) only appeared later in the exercise duration.
- Overall, the findings suggest that exercising in simulated altitude (∼3500 m) primarily decreases cycling power at lower intensities, indicating that hypoxia impacts performance more at these levels while not significantly affecting other internal physiological responses.
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