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Esophageal achalasia is an esophageal motility disorder involving the smooth muscle layer of the esophagus and the lower esophageal sphincter (LES). [5] It is characterized by incomplete LES relaxation, increased LES tone, and lack of peristalsis of the esophagus (inability of smooth muscle to move food down the esophagus) in the absence of ...

Flecainide is a class Ic antiarrhythmic agent. It works by decreasing the entry of sodium in heart cells, causing prolongation of the cardiac action potential. Flecainide was approved for medical use in the United States in 1985. It is available as a generic medication.

In the run up to the 2022 Israeli legislative election, various organisations carry out opinion polling to gauge voting intention in Israel during the term of the 24th Knesset. This article lists the results of such polls. The date range for these opinion polls is from the previous election, held on 23 March 2021, to the present day.

The Hunter Biden laptop controversy involves a laptop computer that was allegedly dropped off at a repair shop in Wilmington, Delaware, by an unidentified person in April 2019 and never collected. The New York Post published a story stating the allegation three weeks before the 2020 United States presidential election, and president Donald ...