Why does corpse spot appear after death (how long does it take for ordinary people to appear after death)

1. Why are there lividity when people die?

2. Will there be lividity before death?

3. What is the corpse spot after death?

4. The appearance of lividity is after death.

1. Blood does not circulate after death, so there will be lividity.

2. After death, because the blood circulation stops, the blood in the cardiovascular system lacks power, and according to its own gravity, it falls along the vascular network in the uncompressed lower part of the corpse, thus showing red or dark red spots with unclear edges on the skin, called corpse spots.

3. Lividity often occurs 1 ~ 5 hours after death.

In rare cases, it appears as early as 30 minutes after death or as late as 6-8 hours.

5. The color of lividity mainly depends on the color of hemoglobin in blood.

6. Due to the different causes of death, lividity sometimes has some characteristic manifestations.

7. The following list is for reference: natural death > dead spots are dark red, dead spots with white skin color can be purplish red, and dead spots with dark skin color are mostly dark purplish red, carbon monoxide poisoning, cyanide poisoning and freezing burn > bright red ~ cherry red, potassium chlorate and nitrite poisoning > taupe, hydrogen sulfide poisoning > grayish green.