A gastric aspirate pH reading of what value indicates gastric placement?

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Multiple Choice

A gastric aspirate pH reading of what value indicates gastric placement?

Explanation:
Gastric contents are highly acidic because of stomach acid, so a gastric aspirate tends to have a low pH. A pH reading of 4 or less is the best indicator that the tube tip is in the stomach. When the pH is higher, such as 5–6 or 7–8, the aspirate is more likely from the intestine or the airway, and pH alone becomes unreliable for confirming gastric placement. In practice, pH ≤ 4 is the value that indicates gastric placement.

Gastric contents are highly acidic because of stomach acid, so a gastric aspirate tends to have a low pH. A pH reading of 4 or less is the best indicator that the tube tip is in the stomach. When the pH is higher, such as 5–6 or 7–8, the aspirate is more likely from the intestine or the airway, and pH alone becomes unreliable for confirming gastric placement. In practice, pH ≤ 4 is the value that indicates gastric placement.

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