What is the initial rate for continuous tube feeds, and how is it advanced?

• A. Initiate at 20-50 ml/hour, and advance 10-25 ml/hour every 4-24 hours until goal rate.
• B. Initiate at 120 ml/hour and increase 60 ml/hour every 2 hours.
• C. Initiate at 5 ml/hour and increase 1 ml/hour hourly.
• D. Initiate at 250 ml/hour and maintain.

Answer: (A)

Starting continuous tube feeds at a low, cautious rate helps the gut adapt and reduces the risk of intolerance or aspiration. The typical starting range is 20–50 mL/hour, with gradual increases of about 10–25 mL/hour every 4–24 hours until the target (goal) rate is reached. This slow ramp allows you to monitor tolerance—watch for nausea, vomiting, abdominal distension, diarrhea, or high gastric residuals—and adjust as needed. More aggressive starts (like 120 mL/hour) or rapid increases (every 2 hours) raise the risk of intolerance, while starting very low (5 mL/hour) and never advancing delays meeting caloric and protein goals. Maintaining a high rate without gradual progression also ignores the gut’s adaptive capacity and potential complications.