When utilizing a PEG, it's crucial to evaluate tube feeding residuals before bolus feedings and every 4 hours while the patient is getting continuous feedings.
For patients who are not severely ill, it is recommended that GRV be evaluated every four hours for the first 48 hours of gastric feeding and then every six to eight hours after that.
In order to lower the risk of aspiration pneumonia, it is usual practice to assess gastric residual volumes (GRV) in tube-fed patients.
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