Dispatch Has Reported A Near Drowning Incident At A Lake. It Is A Hot Summer Day And The Family Was Out Boating On The Lake When The Boat Sank. Everyone In The Family Was Rescued After About 30 Minutes. The Only Patient Is A 4-Year-Old Boy. He Was Pulled From The Water With A Weak Pulse - And He Was Not Shivering Like The Rest Of The Family. His Mother Says That He Is Normally Very Talkative - But He Has Not Spoken Since The Boat Sank. What Is The Likely Cause Of This Child's Condition? What Are Your Treatment Priorities