Drowning_Lecture_Presentation_with_Diagram.pptx

drowning

1. Introduction Definition: Death by asphyxia due to immersion. WHO: Respiratory impairment from submersion. Importance: Common in forensic practice.

2. Classification of Drowning 1. Typical (Wet) 2. Dry Drowning 3. Immersion Syndrome 4. Near Drowning 5. Secondary Drowning 6. Delayed Drowning

3. Pathophysiology Fresh Water: Hemodilution, hemolysis, VF. Salt Water: Pulmonary edema, hypovolemia. Both: Asphyxia and hypoxia.

4. External Findings 1. Washerwoman's Skin 2. White Froth 3. Cutis Anserina 4. Cadaveric Spasm 5. External Injuries

5. Internal Findings 1. Emphysema Aquosum 2. Paltauf's Spots 3. Water in stomach 4. Water in sinuses/middle ear 5. Heart chamber differences

6. Special Tests 1. Gettler Test: Chloride difference 2. Diatom Test: Algae in organs 3. Hydrostatic Test: Neonatal lungs

7. Medico-Legal Importance Cause, manner, and time of death. Differentiate from postmortem immersion. Correlate with scene findings.

8. Case Example 28-year-old male in pond. Findings: Froth, wrinkling, Paltauf's spots. Conclusion: Ante-mortem drowning.

9. Summary Understand types and features. Autopsy and scene correlation. Use of special tests in diagnosis.

10. Mechanism of Drowning - Diagram