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Esophageal pH monitoring is performed for 24 or 48 hours and at the end of recording, a patient's tracing is analyzed and the results are expressed using six standard components. Of these 6 parameters, a pH score called Composite pH Score or DeMeester Score has been calculated, which is a global measure of esophageal acid exposure.
Impedance–pH monitoring is a technique used in the diagnosis of gastroesophageal reflux disease (GERD), by monitoring both impedance and pH. [1] [2] Patients with ongoing symptoms while on proton-pump inhibitor (PPI) therapy are commonly diagnosed with impedance–pH monitoring while continuing their medications. The impedance–pH monitoring ...
Of the debated diagnostic tools, multichannel intraluminal impedance with pH monitoring (MII-pH) is used as it recognizes both acid and non-acid reflux. [4] A more common technique that is used is 24-hour dual probe pH monitoring. Both of these tools are expensive and are therefore not widely used. [4]
Pepsin is inactive at pH 6.5 and above, however pepsin is not fully denatured or irreversibly inactivated until pH 8.0. [11] [15] Therefore, pepsin in solutions of up to pH 8.0 can be reactivated upon re-acidification. The stability of pepsin at high pH has significant implications on disease attributed to laryngopharyngeal reflux. Pepsin ...
[23] [24] Oversedation can result in dangerously low blood pressure, respiratory depression, nausea, and vomiting. [citation needed] Other complications (less than 1%) may include heart and lung problems, infection in the bile duct called cholangitis, that can be life-threatening, and is regarded as a medical emergency.
A Holter monitor is a portable device for continuously monitoring various electrical activity of the cardiovascular system for at least 24 hours. Electronic health record loggers. Other general data acquisition loggers: An (scientific) experimental testing data acquisition tool.