FMT-study materials

1. Thermal Injuries
Dr.Prasanna. P
Assistant Professor

2. Cold

3. •Local effects
i. Vascular spasm – blanching and paleness of skin
ii. Vascular dilation – erythema, oedema and swelling
iii. Blister formation
iv. Necrosis

4. •Localized effects
1. Frost bite
2. Trench foot
3. Immersion foot

5. •Trench foot & Immersion Foot
 Prolonged exposure to cold (5 to 80 c)
Soldiers
Trenches
Prolonged immersion or exposure at sea.
• Extremities are affected
• Blister formation with ulceration
• Localized gangrene occurs

6. •Frost bite
• Infarction of peripheral digits - edema, redness and later necrosis
• May affect only skin and extend deep.
• Due to exposure cold – (-2.50 c )
• Blister formation and gangrene occurs.
• It affects - nose, ears and face.

7. • Reciprocal or Paradoxical undressing
• The Hide- and – Die syndrome (Terminal Burrowing behavior)