All are true about bupivacaine Except: (A) Less cardiotoxic than lignocaine, (B) Dose increases with adrenaline, (C) Long acting, (D) Cannot given m vein
Answer is A. Bupivacaine is more prone to prolong QTc interval and induce ventricular tachycardia or cardiac depression - should not be used for IV regional anesthesia. Whereas Lignocaine cause arrhythmia in overdosage only. All other statements are true. From Tripati 7th edition Page no 366, 367