(Vancouver, WA)  --  Officials say a Clark County Jail inmate who suffered a medical emergency last month died of lack of oxygen to his brain.  Mycheal J. Lynch of Vancouver died on March 22nd, two days after being booked on multiple charges.  Authorities say Lynch resisted when deputies tried to move him and was restrained, after which the medical emergency took place.  The Clark County Sheriff's Office told "The Oregonian" the investigation into Lynch's death is continuing.