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Nasogastric tubes are used for a multitude of purposes, however, due to their firm composition, they often injure the nasal passages when being placed. While a small amount of bleeding from the nasal mucosa is traditionally acceptable, that small amount of bleeding from the nose can potentially form thrombi that could compromise the airway in patients with impaired sensorium and swallowing.
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M et al. (2022) studied this question.
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