You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Bright red color on postmoem staining found in - and explain in detail?
The colour of postmoem hypostasis in HCN poisoning is bright red due to impaired oxygenation of tissues and formation of cyanmethhemoglobin. Dr.Narayana Reddys Synopsis of Forensic Medicine and Toxicology 27th edition pg. 78,315.