Thursday, 4 February 2016

Drugs of choice in Hgnocaine toxicity | PGIMER MCQs for MD MS Preparations


Drugs of choice in Hgnocaine toxicity 

a. Bretylium 
b. Amiodarone 
c. Isoprenaline 
d. Beta blocker 
e. Furosemide


Ans. (C) Isoprenaline
• The main toxicity of lignocaine is dose related nurological effect like drowsiness, nausea, paresthesias, blurring of
vision, disorientation nystagmus, twitching, and fit.
• Lidocaine has practically no proarrhythmic potential and least cardio toxic antiarrhythmic.
• Only excessive doses cause cardiac depression and hypotension aild in that condition isoprenaline is given.

• Bopivacaine has higher cardio toxicity than Lidocaine.