Lidocaine is contraindicated in which of the following?
a. High-grade heart blocks
b. Ventricular fibrillation
c. Pulseless ventricular tachycardia
d. Cardiac arrest refractory to amiodarone
a
Rationale: a. Lidocaine is contraindicated in high- grade heart blocks such as 2nd degree-type II and 3rd degree.
b. Indicated.
c. Indicated.
d. Indicated.
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