Autopsy

What is an autopsy?

An examination of a body performed by a forensic pathologist.

What is the purpose of conducting an autopsy?

To confirm the identity of a known body or find out the identity of an unknown body and to determine the cause of death.

What is the Post Mortem Interval (PMI)?

The time difference between the time of death and the examination of the body.

What does Pallor Mortis refer to?

The paling of the skin that occurs within 15-30 minutes after death as blood recedes from the surface.

Describe Algor Mortis.

The change in body temperature after death, which falls at a rate of 0.8 degrees every hour until it reaches room temperature.

What does Rigor Mortis indicate?

Stiffening of muscles after death, which progresses predictably and is useful in estimating the time of death.

What changes occur during Livor Mortis?

Changes in skin color due to the breakdown of hemoglobin in blood and the pooling of blood in the body due to gravity.

What is forensic entomology?

The study of the life cycle of insects associated with human corpses to indicate elapsed time since death.

What might make identifying a body difficult?

Situations such as fire, explosion, prolonged immersion in water, or lack of linking features to missing persons.

What are the major stages of death?

Pallor Mortis, Algor Mortis, Rigor Mortis, Livor Mortis, Putrefaction, Decomposition, and Skeletonization.

What is the primary mechanism of death in the case of 'natural' causes?

Old age leading to the heart's failure to pump sufficient blood.

List the four types of death classifications.

Natural, Accidental, Suicidal, and Homicidal.

What happens to a corpse between 6 and 10 days post-mortem?

The corpse bloats with carbon dioxide, fluids leak from body openings, tissues liquefy, and skin sloughs off.

What is characterized as the final stage of death?

Skeletonization, where the last soft tissues have decayed and the skeleton is exposed.

What is the time range in which Rigor Mortis begins?

Rigor Mortis begins within 2 to 6 hours after death.

How can forensic pathologists identify the cause of death?

By inspecting tissue for signs such as trauma or disease and analyzing other physical evidence.

What color changes occur in the skin due to decomposition?

Green and purplish staining occurs from blood decomposition, along with a marbled appearance.

What role do environmental factors play in determining the time of death?

Ambient temperature, body fat, and clothing affect the rate at which body temperature changes after death.