Gerhild Nieding

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The perceived exertion rating (RPE) scale of Borg was used to investigate the relationship between perceived exertion and pedalling rate. Normal subjects and patients with chronic obstructive lung disease (Cold) were studied in repeated test series. Work load, applied in a random order, varied from 2.5 to 10 mkp/s (patients) and 5 to 20 mkp/s (normals).(More)
Methodical aspects of the relationship between pedalling rate and rotating mass and perceived exertion rating (PER; Borg, 1962) were studied in trained, untrained, and ill subjects in bicycle ergometry. Pedalling rate varied between 40 and 100 rpm, work load steps were 5, 10, 15 and 20 mkp/sec in the healthy subjects, and 2.5, 5, 7.5 and 10 mkp/sec in the(More)
Hemodynamic response to graded immersion was studied in healthy male subjects in a thermoneutral bath in the sitting position. Pressures in the right heart and cardiac output were determined by means of a semifloating catheter with a thermistor probe. Pressures in the right atrium, pulmonary artery and in pulmonary wedge position increased with increasing(More)
The first four communications presented at the 3rd Symposium on Respiratory Mass Spectrometry have dealt with the four most recent mass spectrometers on the market. Since it is not the aim of the editors of this journal to advertise certain instruments, the following summary may show the present state of development in this field. Only 25 years ago a mass(More)
Application of new technical and methodological development as respiratory mass spectrometry and double nuclide perfusion scintigraphy results in more detailed knowledge of the effect of accelerational forces on lung perfusion and respiratory gas exchange. For evaluation of some details of lung perfusion and respiratory gas exchange 20 healthy male subjects(More)
To assess the effect of isoproterenol on intrapulmonary gas mixing, simultaneous wash-out of He and SF6 was measured in five healthy subjects at rest (mean heart rate ≈ 73/min) and during infusion of isoproterenol (mean heart rate ≈ 118/min). Test gas segregation was characterized by use of a separation index, S.I., as proposed by Kawashiro et al. [7]. At(More)
In 557 healthy subjects and patients with chronic lung disease we measured FVC, FEV1,0, and PEF with a conventional spirometer (Pulmotest, Godart) and with an electronic spirometer (M 403, SANDOZ-Medizintechnik). This comparison resulted in a satisfactory agreement of FVC and FEV1,0 measurements. However, there was a systematic understimation of both values(More)
The bronchial reactivity after acetylcholine inhalation was determined by measuring change of airway resistance. Out of 345 subjects studied, most of them were found to have symptoms and signs indicating CNSLD. 275 had different types of pneumoconiosis. Reactivity decreased with increasing age. Smokers and subjects with a positive skin test and anamnestic(More)