47 lbs in 10 days would be amazing but seems unlikely. Did you use the same scale? Were you wearing the same aproximate type of clothing and shoes?
Scales can vary dramatically if they aren't calibrated. I would weigh on the dr.'s scale for accuracy.
Best~
Lisa O.
Lap Band surgery Nov. 2008, SW 335. Lost 116 lbs. LB removal May 2013 gained 53 lbs. Revisied to RNY October 14, 2013, new SW 275.