You are resuscitating a term baby girl who is apneic and bradycardic after birth. She has monitors attached and received PPV through SGA with good chest rise. Despite this, her heart rate continues to be low at 70 bpm after 30 seconds of effective PPV. Chest compressions were then started. At your first pulse check 60 seconds after the initiation of chest compressions, her heart rate is 40. At this point, which of the following is the best course of action?