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Kaplan Qbank USMLE



Author4 Posts
  #1

A 6 month old boy previously healthy comes to your office and his mom complains he has a decreased oral intake for 2 days. The baby is irritable and his rectal tem is 37.4 (99.4), pulse is 215 and respirations are 55/min. Radial and posterior tibial pulses are low with good brachial and femoral pulses. EKG shows tachy. QRS is narrow with no p waves. What is the most appropriate next step in management?

A. IV Verapamil

B. Ice bag on face for 10 seconds

C. IV adenosine

D. Cardiac pacing

  #2

Explain your answer...thanks

  #3

I am new here....I posted this peds Q in IM. Will move it to peds.

  #4

I think B first.

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