Classic techniques like videofluoroscopy, stationary manometry, and ambulatory 24 h pH-metry are routinely used in the clinic to study patients with dysphagia, chest pain and reflux-related symptoms.

Approximately 50% of patients with GERD-like symptoms have no evidence of acid reflux on endoscopy and 24 h pH testing. New research shows that multichannel intraluminal impedance (MII) pH testing ...

Please provide your email address to receive an email when new articles are posted on . Increased acid exposure time and symptom-reflux correlation detected by esophageal pH-impedance monitoring ...

Keysight Technologies today introduced three low-frequency options for its E4982A LCR meter. With these new options, the E4982A is suited for RF inductor, coil, and EMI filter manufacturers that are ...

Negative input impedance in power supplies can amplify external line noise, causing deceptive conducted emissions failures.