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by fernly
33 days ago
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Per Wikipedia, it "is a colorless, odorless, non-flammable, and non-toxic gas." When used as a contrast agent for ultrasound, it "has been used to examine the vascularity of tumours" -- which would be similar to its use in the OP. Then
"[i]t remains visible in the blood for 3 to 8 minutes, and is exhaled by the lungs." So -- not collected and excreted by the liver, as I at first thought. |
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