A striped racer, also known as the California whipsnake, is a species of non-venomous snake native to the coast and foothills of California. It is a long, slender, and fast-moving snake, identified by its distinctive stripes running down the length of its body. They primarily feed on lizards and small rodents. The scientific name for this species is Masticophis lateralis.
Esophageal spasm
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Esophageal spasm is a disorder of the rhythmic waves of muscular contractions (peristalsis) of the esophagus.
The cause of this disorder is not known.
Symptoms include chest pain and difficulty swallowing.
The diagnosis is based on the results of barium swallow x-rays and manometry.
Treatment includes calcium channel blockers, injections of botulinum toxin, or sometimes surgery.The esophagus is the hollow tube that leads from the throat (pharynx) to the stomach. (See also Overview of the Esophagus.)
In this disorder, the normal propulsive contractions that move food through the esophagus are replaced periodically by nonpropulsive contractions or excessive muscular contractions (hyperdynamia) that do not move food through the esophagus.
The exact cause of esophageal spasm is not known but is suspected to be a nerve defect.
Esophageal spasm meaning & definition 1 of Esophageal spasm.
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