Gastric Emptying Scan

Gastric Emptying Scan is a topic covered in the Davis's Lab & Diagnostic Tests.

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Synonym/Acronym:
Gastric emptying quantitation, gastric emptying scintigraphy.

Rationale
To visualize and assess the timeframe for gastric emptying to assist in the diagnosis of diseases such as gastroenteritis and dumping syndrome.

Patient Preparation
There are no activity or medication restrictions unless by medical direction. Instruct the patient to restrict food and fluids for 8 hr before the scan. Inquire about allergic reactions to eggs. No other radionuclide scans or procedures using barium contrast medium should be scheduled within 24 to 48 hr before this procedure. Protocols may vary among facilities.

Normal Findings

  • Mean time emptying of liquid phase: 30 min (range, 11–49 min)
  • Mean time emptying of solid phase: 40 min (range, 28–80 min)
  • No delay in gastric emptying rate.

Critical Findings and Potential Interventions
N/A

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