…scalpel until pus appears. Take a culture from the wall of the cavity before irrigating. 5. Let the pus drain out. Empty it with gentle…

…Scan the left lower quadrant. Confirm at least 2–3 cm of free fluid depth with no bowel in the path of the needle and…

…injection; 25–27 G, 25 mm for the carpal tunnel, de Quervain's and trigger finger. Syringes of 3, 5 and 10 mL, artery forceps…