Nasogastric and nasoenteric feeding tubes are used for short-term access, and they allow for assessment of tolerance of enteral nutrition in cases where permanent access may be needed. Nasogastric tubes are placed at the bedside by clinicians at all levels of training. Nasogastric and nasoenteric feeding tubes are contraindicated in patients with obstructing head, neck, or esophageal pathology or injury, which may preclude safe insertion. Correct placement should be confirmed prior to use. Although there are some data using pH step-up or capnog-raphy to confirm proper tube placement, radiography remains the gold standard [27, 28]. With experienced clinicians and radiographic confirmation, success rates of 95-100% are attainable [29, 30].
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WHAT IT IS A three-phase plan that has been likened to the low-carbohydrate Atkins program because during the first two weeks, South Beach eliminates most carbs, including bread, pasta, potatoes, fruit and most dairy products. In PHASE 2, healthy carbs, including most fruits, whole grains and dairy products are gradually reintroduced, but processed carbs such as bagels, cookies, cornflakes, regular pasta and rice cakes remain on the list of foods to avoid or eat rarely.