How to Interpret Ambulatory 24 hr Esophageal pH Monitoring | 合法醫療器材資訊網

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由 JE Richter 著作 · 1992 · 被引用 405 次 — Although the most sensitive and specific test for diagnosing gastroesophageal reflux disease, normal standards for prolonged esophageal pH monitoring are ... Read More

由 S Ayazi 著作 · 2010 · 被引用 36 次 — In a large population of normal subjects, we have defined the normal values and calculated a composite pH score for proximal esophageal acid exposure. Read More

由 HJ Stein 著作 · 1994 · 被引用 161 次 — An increased time that pH is greater than 7 on esophageal pH monitoring indicates biliary reflux and occurs primarily after previous foregut surgery. A normal-time ... Read More

由 N de Bortoli 著作 · 2016 · 被引用 14 次 — However, data on the role of different pH values, ranging between 4 ... in gastroesophageal reflux disease patients with normal esophageal ... Read More

由 GH Kim 著作 · 2010 · 被引用 16 次 — Non-acidic substances such as pepsin are not active unless the pH is < 4. Ambulatory normal values tend to show a higher degree of variability ... Read More

由 W Moon 著作 · 2008 · 被引用 3 次 — Results. The 95th percentiles for reflux parameters assessed in the distal esophagus were as follows: percentage of total time with pH <4, 5.10%; percentage of ... Read More

A pH of 5 may be an adequate threshold to differentiate normal from abnormal reflux [7, 8], but it has been noted that in normals, basal esophageal pH may drop​ ... Read More

由 F Zerbib 著作 · 2013 · 被引用 131 次 — Combined pH and impedance monitoring can detect all types of reflux episodes within the esophageal lumen and the pharynx. We performed a ... Read More

A low or acidic pH in your esophagus can cause damage to the lining. A normal pH in the esophagus is between 4 and 6 -- meaning slightly acidic rising toward ... Read More