18
Participants
Start Date
January 31, 2002
Primary Completion Date
October 31, 2008
Study Completion Date
October 31, 2008
Place HOB in alternate positions from 0-50 degrees.
Patients will receive an US while the HOB(Elevation of the head of bed) is 30 degrees(baseline) then they will increase the angle to 40 degrees, then 50 degrees. Another US will be done then in 20, 10, and o degree angles. Then another US will be done
The Children's Hospital of Philadelphia, Philadelphia
Children's Hospital of Philadelphia
OTHER