MC esophageal disorder in children of all ages
GERD
T/F GER occurs physio- logically every day in all infants, older children, and adults
T
the primary mechanism allowing reflux to occur, and is defined as simultaneous relaxation of both LES and the surrounding crura
TLESR
T/F TLESRs occur independent of swallowing
T
TLESRs reduce LES pressure to ___mm Hg , and last ___; they appear by __ wk of gestation
0-2 (above gastric), 10-60 sec, 26
Main stimulus for TLESRs
Gastric distension
Infant reflux becomes evident in the 1st few mo of life, peaks at ___, and resolves in up to 88% by ___ and in nearly all by ___
4 mo, 12 mo, 24 mo