Properties of an Ideal Anaesthetic

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Chapter: Essential pharmacology : General Anaesthetics

It should be pleasant, nonirritating, should not cause nausea or vomiting. Induction and recovery should be fast with no after effects.


PROPERTIES OF AN IDEAL ANAESTHETIC

 

A) For The Patient

 

It should be pleasant, nonirritating, should not cause nausea or vomiting. Induction and recovery should be fast with no after effects.

 

B) For The Surgeon

 

It should provide adequate analgesia, immobility and muscle relaxation. It should be noninflammable and nonexplosive so that cautery may be used.

 

C) For The Anaesthetist

 

Its administration should be easy, controllable and versatile.

Margin of safety should be wide—no fall in BP.

Heart, liver and other organs should not be affected.

It should be potent so that low concentrations are needed and oxygenation of the patient does not suffer.

Rapid adjustments in depth of anaesthesia should be possible.

It should be cheap, stable and easily stored. It should not react with rubber tubing or soda lime.

The important physical and anaesthetic properties of inhalational anaesthetics are presented in Table 27.1.



 

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