4th May 2025

20-year-old female university student presents to ED following a night out.

20-year-old female university student presents to ED following a night out. She is complaining of palpitations and breathlessness and nausea. She is an asthmatic and only takes Salbutamol inhaler PRN

Her observations are (HR 160 BPM, bp 125/75 mmHg, RR 21, Temp 36.2)

Her 12 lead ECG shows a regular narrow complex tachycardia.

What is the next step in her management?

Select the SINGLE most appropriate option from the list below. Select ONE option only.