Drugs of choice in Hgnocaine toxicity
a. Bretyliumb. 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.