مريض نبضه ٤٢ وضغطه ٨٢/٥٠ ومشوش، والنظم كما في الصورة. ما الدواء الأول المتوقع؟

A client has HR 42, BP 82/50 and confusion; the rhythm is shown. What is the first expected drug?

1. Digoxin 0.25 mg IV
2. Atropine 1 mg IV
3. Metoprolol 5 mg IV
4. Adenosine 6 mg IV

Answer: B) Atropine 1 mg IV. Symptomatic sinus bradycardia: first line is atropine 1 mg IV, repeated per protocol, then pacing or an infusion if ineffective.