Oesophageal pH monitoring

The duration of the recording should be as close as possible to 24 hours and at least 18 hours, including a day and a night period both for pH and impedance measurements.8,17,18 If pH monitoring is performed for diagnostic purpose, there is no indication for short-duration pH tests (eg, Tuttle and Bernstein tests, 3-hour postprandial recording). ................
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