Gas Gangrene

Question 1

Affects which tissue

Answer 1

Muscles

Question 2

Describe what it is basically?

Answer 2

A rapid spreading INFECTIVE gangrene of the muscles characterized by??
Collection of has in muscles n subcutaneous tissue..

Question 3

GG is AKA?

Answer 3

Clostridial necrosis

Question 4

Likely to develop in what kind of wound?

Answer 4

A wound where extensive laceration n devitalisation of MUSCLE mass n with gross contamination of the wound with soil n foreign bodies

Question 5

Causative organism for GG?

Answer 5

Clostridium perfringens (welchii) ( a group of saccharolytic clostridium)

Question 6

A main factor responsible for GG?

Answer 6

Anaerobic condition

Question 7

States that predispose to GG?

Answer 7

DM n other occlusive arterial diseases

Question 8

Exoticism produced by welchii?

Answer 8

1. Alpha toxin ( AKA?? LECITHINASE)
2. collagenase
3. Hyaluronidase
4. Theta toxin
5. Leucocidin

Question 9

GG affects which part of muscles?

Answer 9

From origin to insertion, the WHOLE muscle causing?? Necrosis n foul smell

Question 10

The muscles becomes black due to?

Answer 10

Due to the action of sulphurated hydrogen ( H2S) on iron liberated from broken down muscle Hb… N the gas in GG is chiefly??
Hydrogen

Question 11

The most characteristic features of GG? THERE R TWO..

Answer 11

1. Profuse discharge of foul smelling brownish fluid between sutures n
2. Presence of crepitus due to??
   Presence of GAS in the muscle n subcutaneous tissue

Question 12

The first prophylactic step in GG prevention

Answer 12

Excision or debridement of devitalisation tissue, dead n damaged muscles, blood clot n foreign bodies