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 Post moem lividity persists till : and explain in detail?
D i.e. Merges with putrefactive changes - Postmoem lividity also k/a suggilation, vabices, hypostasis, staining, darkening of death is an early sign of death & commences within an hour of death.Q - Fixed in about 4 - 6 hoursQ; reaches maximum between 6-12 hoursQ and persists until putrefaction sets in.Q Lividity does not develop in drowning in running water & areas of contact flattening.Q When lividity first develops (i.e. before fixing), on applying firm pressure it disappears & releasing pressure it reappears (Difference from bruise).