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Why does pulmonary embolism give normal C02 level?
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[QUOTE="Bran, post: 5464824, member: 593052"] Hello, Sameeralord - you might find the answer to your question [URL='http://circ.ahajournals.org/content/108/22/2726.full']here[/URL], on the American Heart Association's website, in a writing from Samuel Z. Goldhaber, MD, and C. Gregory Elliott, MD, titled [I]Acute Pulmonary Embolism: Part I[/I], that discusses acute PE's - the section that might be most relevant to your question is titled, [I]Other Gas Exchange Abnormalities[/I]. In this section is written the following: "Increased dead space impairs the efficient elimination of carbon dioxide. However, medullary chemoreceptors sense any increase in arterial Pco2, and they will increase the total minute ventilation, thereby lowering the arterial Pco2 to normal and often below normal. Thus, most patients with PE present with a lower than normal arterial Pco2 and respiratory alkalosis because of an increased total minute ventilation." I hope this helps! [/QUOTE]
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Why does pulmonary embolism give normal C02 level?
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