مريض نبضه ١٨٦ منتظم، وضغطه ١٢٤/٧٨، وواعٍ ويشتكي خفقاناً. التخطيط يظهر تسارعاً فوق بطيني بمركب QRS ضيق. فشلت مناورة فالسالفا. ما الدواء المتوقع وكيف يُعطى؟

A client has a regular HR of 186, BP 124/78, is alert and reports palpitations. The ECG shows narrow-complex SVT and a Valsalva manoeuvre failed. Which drug is expected and how is it given?

1. Amiodarone 300 mg rapid IV push
2. Adenosine 6 mg slowly over 10 minutes by pump
3. Atropine 1 mg IV every 3–5 minutes
4. Adenosine 6 mg rapid push with a rapid saline flush

Answer: D) Adenosine 6 mg rapid push with a rapid saline flush. Adenosine has a half-life of seconds, so it is pushed rapidly into a proximal vein and flushed at once. It may cause a brief asystole and chest tightness, so the client is warned first.