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Figure 3 | BMC Pulmonary Medicine

Figure 3

From: Gastroesophageal reflux in Bronchiectasis and the effect of anti-reflux treatment

Figure 3

24-h Dual-channel esophageal pH monitoring graphs shows the pH monitor line featuring the pH fluctuation in esophagus, <pH 4.0 indicating of acid reflux. A: In case 7, the distal and proximal esophagus (CH1 and CH2) had synchronic pathologic acid reflux (DeMeester score: 60.0). B: In case 1, the pH line rarely declined below pH 4.0 (DeMeester score: 3.04). However her basal esophagus pH was >7, if a threshold of < pH 5 or < pH 6 (weak acid) is applied the patient should be considered to have abnormal synchronic distal and proximal reflux [42].

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