Drug of choice for bradycardia due to beta blocker overdose is -
High-Yield Explanation
Ans. is 'a' i.e., Atropine Dopamine, adrenaline and isopranaline act by stimulating b1 receptor in hea. As patient has b -blocker overdose, these are likely to be ineffective. o Atropine can increase hea rate in this situation by blocking parasympathetic action on hea.