![]() ![]() (It should be noted that tachyphylaxis implies acute tolerance to the drug following multiple rapid injections, as opposed to tolerance, which is caused by more chronic exposure). Another early sign of cyanide toxicity is the acute resistance to the hypotensive effects of increasing doses of sodium nitroprusside (tachyphylaxis). This as a result leads to metabolic acidosis, cardiac arrhythmias, and increased venous oxygen content (as a result of the inability to utilize oxygen). Send us feedback.Acute cyanide toxicity occurs when the cyanide ions bind to tissue cytochrome oxidase and interfere with normal oxygen utilization. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'methylene blue.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Cnn.com Wire Service, The Mercury News, 19 Sep. 2020 Warren’s patient recovered after two doses of methylene blue and an overnight stay at the hospital. Courtney Sexton, Smithsonian Magazine, 18 Sep. ![]() 2023 Currently, only three dyes with fluorescent properties used as optical imaging contrast agents- methylene blue, indocyanine green and fluorescein-are approved for human use by the U.S. 2023 To gauge the fat content of the cream brought by farmers, the dairy would insert methylene blue in a sample and waited for its lactic acid to dissolve the color. ![]() Recent Examples on the Web To gauge the fat content of the cream brought by farmers, the dairy would insert methylene blue in a sample and waited for its lactic acid to dissolve the color. ![]()
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