Atemregulation/en: Unterschied zwischen den Versionen

Aktuelle Version vom 7. März 2022, 09:52 Uhr

The carbon dioxide partial pressure PaCO₂ and the oxygen partial pressure PaO₂ primarily control respiration. Added to this is the pH of the blood, which respiration uses to stay within vital limits.

Chemoreceptors, nervous stimuli from the lungs, and impulses from the brain help in this process. The blood-brain barrier is permeable to CO₂, thus receptors can measure the partial pressure of carbon dioxide in the cerebrospinal fluid. From there, respiratory rate is controlled, with carbon dioxide having priority over oxygen.

That is, 'our breathing is basically controlled primarily by the CO₂ and less by the O₂ in the blood.

Only in severe lung diseases the oxygen partial pressure gets a regulating effect, when the PaCO₂ is chronically increased and the respiration has adjusted to it. If then the PaO₂ is decreased, this also triggers a stimulation of respiration.

https://flexikon.doccheck.com/en/Respiration

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-Der Kohlenstoffdioxidpartialdruck PaCO<sub>2</sub> und der Sauerstoffpartialdruck PaO<sub>2</sub>steuern die Atmung in erster Linie. Dazu kommt noch der pH des Blutes, der die Atmung benutzt, um innerhalb der lebensnotwendigen Grenzen zu bleiben.
+<div class="mw-translate-fuzzy">
+The carbon dioxide partial pressure PaCO<sub>2</sub> and the oxygen partial pressure PaO<sub>2</sub> primarily control respiration. Added to this is the pH of the blood, which respiration uses to stay within vital limits.
+</div>
-Dabei helfen Chemorezeptoren, nervale Reize aus dem Lungenbereich und Impulse aus dem Gehirn. Die Blutgerinnung-Hirn-Schranke ist durchlässig für CO<sub>2</sub>, dadurch können Rezeptoren den Kohlenstoffdioxidpartialdruck im Liquor messen. Von dort wird die Atemfrequenz gesteuert, wobei das Kohlenstoffdioxid Priorität gegenüber dem Sauerstoff hat.
+<div class="mw-translate-fuzzy">
+Chemoreceptors, nervous stimuli from the lungs, and impulses from the brain help in this process. The blood-brain barrier is permeable to CO<sub>2</sub>, thus receptors can measure the partial pressure of carbon dioxide in the cerebrospinal fluid. From there, respiratory rate is controlled, with carbon dioxide having priority over oxygen.
+</div>
-Das heißt, dass '''unsere Atmung grundsätzlich vor allem durch das CO<sub>2</sub> und weniger durch das O<sub>2</sub> im Blut gesteuert wird'''.
+That is, '''our breathing is basically controlled primarily by the CO<sub>2</sub> and less by the O<sub>2</sub> in the blood''.
 Only in severe lung diseases the oxygen partial pressure gets a regulating effect, when the PaCO<sub>2</sub> is chronically increased and the respiration has adjusted to it. If then the PaO<sub>2</sub> is decreased, this also triggers a stimulation of respiration.
 https://flexikon.doccheck.com/en/Respiration