A case of blocked PEG - to look for distal obstruction and then consider replacing it
PGU:
Q - How much air is needed to see air under diaphragm
A - "More than 250cc" - Mr. Azim
Q - How many percent pt with PGU presented without air under diaphragm
A - "20 to 22%"
Q - What abdominal xray sign suggest PGU
A - "Rigler's sign" - Mr. Hanafiah * double wall sign
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