if you have a central line in you, ask how you should be positioned when the line comes out. at number 12, misdiagnosed. morgan mccracken gets socked in the head with a baseball. mom and dad ice the bump down. the 7-year-old seems fine. until two nights later, when she cries out for help. >> "mom, mom, my head. it's hurting." she was holding it. saying "my head's hurting. my head's hurting. >> the mccrackens rush morgan to the emergency room. >> we couldn't get to the hospital fast enough. >> i carried her in. she was too lethargic to walk. >> a doctor says don't worry. >> i'm sure it's late, she's tired, she probably has a touch of the flu. >> a gut feeling tells these parents the doctor has morgan's diagnosis wrong. >> this wasn't our morgan. she's had the flu before. this wasn't how she acted. >> they ask for a ct scan of her head, but the doctor won't listen. >> what is the consequence of a doctor not listening to you? >> they're failing to hear the