Esophageal Candidiasis tests
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An EGD test (esophagogastroduodenoscopy) is done by passing an endoscope, or a small camera on a tube, down your throat and along the length of your esophagus.
A throat swab culture is a test that doctors use to diagnose bacterial infections in your throat, such as strep throat.
An endoscopy is a procedure in which your doctor uses specialized instruments to view and operate on the internal organs and vessels of your body.