What is a nasogastric tube with suction used for?
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A nasogastric tube with suction is used to remove gastric contents, decompress the stomach, prevent aspiration, and manage gastric bleeding or obstruction by applying negative pressure to withdraw fluids or air.
How is a nasogastric tube with suction inserted?
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A nasogastric tube with suction is inserted through the patient's nostril, passed down the esophagus, and into the stomach. Proper placement is confirmed by aspiration of gastric contents, pH testing, or X-ray before connecting to suction.
What are the common indications for using a nasogastric tube with suction?
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Common indications include gastric decompression in bowel obstruction, removal of gastric secretions in ileus, prevention of aspiration in comatose patients, and management of gastrointestinal bleeding.
What are the risks associated with nasogastric tube suction?
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Risks include nasal trauma, sinusitis, aspiration pneumonia, esophageal or gastric injury, electrolyte imbalances, and discomfort or nasal ulceration from prolonged use.
How do you care for a patient with a nasogastric tube on suction?
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Care includes regular monitoring of tube placement and patency, oral and nasal hygiene, skin assessment around the nostrils, monitoring suction settings, and observing for complications like blockage or infection.
What suction settings are typically used with a nasogastric tube?
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Suction settings vary but typically range from low intermittent suction (80-120 mmHg) to continuous suction depending on the clinical need and physician orders.
Can a nasogastric tube with suction interfere with feeding?
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Yes, nasogastric tubes on suction are generally not used for feeding as the suction removes gastric contents; feeding is usually paused or managed via alternative methods.
How often should the nasogastric tube be checked when on suction?
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The tube should be checked regularly, at least every 4 hours, to ensure patency, correct placement, and to monitor the amount and nature of the aspirate.
What symptoms indicate a problem with a nasogastric tube on suction?
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Symptoms include respiratory distress, nasal bleeding, abdominal pain or distension, absence of gastric output, tube blockage, or signs of infection around insertion site.
How do you confirm correct placement of a nasogastric tube before applying suction?
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Correct placement is confirmed by aspirating gastric contents and checking pH (usually <5.5), listening for air insufflation sounds over the stomach, and ideally by a chest or abdominal X-ray.