Slide 1: Approach to POCUS: Paracentesis. Finding a large fluid pocket. Use the phased array probe to scan the abdomen and examine all four quadrants. The ideal fluid pocket is large (greater than 5 centimeters) and far away from loops of bowel or spleen/liver. Caution. Small pockets (3 to 4 centimeters) and near the liver.

Slide 2: Measure the depth of the fluid pocket using distance calipers. Be careful not to exceed this depth when performing the procedure. Rotate the probe 90 degrees and measure again. Mark the skin with an X. Bowel can move dynamically; so it is prudent to perform the procedure immediately after marking the skin. Pocket checklist. Depth greater than 5 centimeters and far from bowel, spleen, and liver.

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