The purpose of this study is to evaluate if ultrasound can be used effectively to confirm location of gastrostomy tube (G-tube) placement in place of a study in which contrast is flushed through the G-tube and placement is checked with X-ray. A G-tube is a tube inserted through the abdomen and delivers nutrition directly into the stomach.
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Confirmation of gastrostomy tube placement
Timeframe: This procedure is brief (<5-10 minutes) and will be performed after gastrostomy tube replacement prior to the patient having the gold standard contrast injection performed before returning to their exam room. This should take no more than one hour