In TVS the bladder should be empty or filled?
Tvs = Empty.
Tas = full
When looking from abdomen, a filled bladder pushes intestines and makes it easier to see at pelvic structures. Intestines contain air and may obscure the view. Filled bladder won’t.
Remember usg ko
Paani pyara - fluids good
Hat re Haddi hawa - bone air bad
Empty