PGIMER Frequently Asked Medical PG topic | Halothane

True about Halothane 

a. Non-irritant 
b. Antiarrhythmic 
c. It antagonises bronchospasm 
c. Vasodilator 

e. Non explosive

Ans. (A) Non irritant ; (C) It antagonizes bronchospasm ; ((D) Vasodilator E. Non explosive

• Halothane is a colousless, relatively non-irritant vapour. It is non-flammable non-explosive when mixed with 02 in any concentrations used clinically. Effects on organs CVS : - Myocardial depression, fall of arterial pressure. Vasodilatation, dilates coronary arteries

- Bradycardia.

- tmyocardial excitability, ventricular extrasystoles.

- Arrythmia after LV. infusion of Adrenaline > 10 micro g/min.