-Toxic Causes of respiratory Failure.

Toxic Causes of respiratory Failure

1-Central:-

• Alcohol
• Barbiturate
• Opiate

2-Peripheral:-

A-Airway obstruction:-

• Falling back of the tongue.
• Vomitus.
• Excessive Secretions e.g Organophosphurus,carbamate.
• Oedema of the air way e.g Irritant fumes,Chlorine gas.
• Laryngeal spasm (Cyanide).
• Pneumonia(Hydrocarbon aspiration).
• Bronchospasm(Organophosphurus).
• Pulmonray
• oedema(Organo-phosphurus).

b-Paralysis of respiratory muscles:-

• Botulinum toxins.
• Snake bite.
• post-convulsion muscle exhaust.
• Organophosphurus.

C-Neuromuscular blocker:-

Physostigmine,Neostigmine.

Dr Ibrahim

-Poisons with charachteristic odour.

Poisons with charachteristic odour

"Phenol"

Phenol,Phosphorus.

Hydrocarbons.
Hydrocyanic acid(Bitter almond).
Hydrogen sulphide(Rotten egg).

Ethanol and methanol.
Nicotine.

Opium.
Organophosphorus,arsenic (Garlic odour).

Liquid of salicylate"oil of winter green".

Dr Ibrahim

-Indications of heamodialysis.

Indications of heamodialysis
"Unstable"

Uraemia.
No response to conventional therapy.
Salicylates.
Theophylline.
Alcohols,Acetaminophen.
Boric acid,Barbiturates.
lithium.
Ethylene glycol.

Dr Ibrahim

-Substances not adsorbed by Activated Charcoal.

Substances not adsorbed by Activated Charcoal
"Phials"

Pesticide,potassuim
Hydrocarbons.
Iron,Insecticide.
Acids,Alkali,Alcohols.
Lithium.
Solvents.

Dr Ibrahim