Bildungsanomalien

Kraus, Alfred; Klotz, H. G.; Waelsch, Ludwig; Sobotka, P.; Hübner,; Winlker, M.

doi:10.1007/bf01825497

Arch. f. Dermat.

1905

DOI: 10.1007/bf01825497

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Bildungsanomalien

Alfred Kraus¹,

H. G. Klotz²,

Ludwig Waelsch³

et al.

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“…This theory was based on experiments on dogs by Bauer (6) and on conclusions from fatty degenerations in the organs of patients dying from anemia, the fat being~ considered the result of lack of oxygen. Experiments by Kraus (7) and others showed that the metabolism is not diminished in patients with anemia. This being the case, a compensatory mechanism for the lack of hemoglobin was thought necessary.…”

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confidence: 93%

Studies of Oxygen in the Venous Blood

Lundsgaard

1919

Journal of Experimental Medicine

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1. Determinations of the oxygen content and the oxygen unsaturation of the venous blood have been performed on patients with varying amounts of hemoglobin. 2. The oxygen unsaturation of the venous blood is independent of the oxygen capacity, unless the latter is reduced below the normal value for oxygen unsaturation (about 5 volumes per cent). In a polycythemic patient, for example, with 33.4 volumes per cent oxygen capacity (181 per cent hemoglobin), the venous oxygen content was. 28 volumes per cent, giving an unsaturation of 5.4 volumes per cent. Similarly, in an anemic patient with only 6.7 volumes per cent oxygen capacity (36 per cent hemoglobin), the venous oxygen was 1.5, giving an unsaturation of 5.2 volumes per cent. This means that the tissues extract from the blood all the oxygen they need with apparently equal readiness, regardless of whether the extraction leaves a great oxygen reserve in the blood as in polycythemia, or practically no reserve as in anemia. 3. The results seem to show that the resting organism does not increase its circulation until all the reserve oxygen is used. This means that the resting anemic organism does not need or use any compensation for its anemia until the hemoglobin has sunk below 30 per cent. Below that value the organism increases the blood flow in order to secure to the tissues the normal amount of oxygen.

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Studies of Oxygen in the Venous Blood

Lundsgaard

1919

Journal of Experimental Medicine

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Bildungsanomalien

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Studies of Oxygen in the Venous Blood

Studies of Oxygen in the Venous Blood

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