Nasogastric aspiration (suction) is the process of draining the stomach's contents via the tube. Nasogastric aspiration is mainly used to remove gastrointestinal secretions and swallowed air in patients with gastrointestinal obstructions.

Why do we aspirate NG tube?

Facilitate free drainage and aspiration of the stomach contents. Facilitate venting/decompression of the stomach.

Does an NG tube suction?

These tubes are narrower and smaller bored than a Salem sump or Levine tube. An NG tube can also remove gastric content, either draining the stomach by gravity or by being connected to a suction pump.