You attend the delivery of a 37 4/7 week infant with history…

You attend the delivery of a 37 4/7 week infant with history of light stained meconium fluid.  The infant receives basic neonatal resuscitation intervention and 30 seconds of CPAP in the delivery room and is assigned Apgars of 7 and 8 at 1 and 5 minutes.  Upon completing a physical examination at 20 minutes of age, you note multiple large hemangiomas.  Your next immediate examination intervention should be: