April 15, 2010 6:14 pm Signs of the Silent Killer High blood pressure sent 800 patients to Parkland’s emergency department last month, about 10 percent of the total volume and many patients living with this silent killer don’t see a doctor until it’s almost too late. Wake Up to Something Good 2:50 School safety: North Texas students return to class after recent school shooting incidents 1:47 Heavy rainfall affects parts of DFW, Kaufman County 2:43 Governor declares state of emergency after Oklahoma tornadoes 2:09 Aftermath of heavy flooding in Kaufman County 1:41 Multiple killed during Oklahoma tornadoes