Medicine An asymptomatic boy on ECG is detected to have a short P interval and delta waves. The least effective measure for the boy would be – A Holter monitoring B Treadmill stress test C Beta blockers D Reassurance 💡 Explanation An asymptomatic boy on ECG is detected to have a short P interval and delta waves. The least effective measure for the boy would be - ✓ Correct Answer: B. Treadmill stress test