Anaesthetic agent with vasoconstrictor is contraindicated in?
Digital block
Spinal block
Epidural block
Regional anaesthesia
Ans. (A) Digital block(Ref: Katzung 11th/e p446)Vasoconstrictors are contraindicated if LAs are used for organs with end arteries (tips of fingers, toes, nose, pinna and penis) due to risk of ischemia and necrosis.
Anaesthesia