An 8-month-old female child presented to emergency with a hea rate of 220/minute and features of congestive hea failure. Her hea rate comes down to normal after administering intravenous adenosine. What is the most likely diagnosis?: (A) Atrial fibrillation, (B) Atrial flutter, (C) Paroxysmal supraventricular tachycardia, (D) Ventricular tachycardia
Answer is C. Ans. is 'c' i.e., Paroxysmal supraventricular tachycardia o Adenosine is the DOS for PSVT.