Topic: Forensic examination of injuries and wounds
Question: Provide the significance of MHC in transplantation.
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A. Types of Anoxia:
Anoxia refers to lack of oxygen supply to the body’s tissues. The main types are:
1. Anoxic Anoxia – Lack of oxygen in the blood due to inadequate oxygenation of blood in the lungs. Caused by drowning, strangulation, pneumonia.
2. Anaemic Anoxia – Inadequate oxygen carrying capacity of blood due to decreased hemoglobin levels or presence of toxins like carbon monoxide.
3. Stagnant Anoxia – Inadequate blood flow and oxygen delivery to tissues due to circulatory failure. Seen in cardiac arrest, shock.
4. Histotoxic Anoxia – Normal blood oxygen but inability of cells to utilize oxygen due to toxins like cyanide.
B. Souvenir Bullets:
Souvenir bullets refer to bullets or bullet fragments retained in the body after a gunshot injury. Originally kept as “souvenirs” by wounded soldiers.
– Can migrate inside the body and cause delayed complications.
– Requires surgical removal if near vital structures.
– Increases risk of infection and lead poisoning.
– Imaging like x-rays and CT scans used to locate retained fragments.
