Скачать или смотреть Barium Swallow Test - Cormac the Golden Retriever

To diagnose the cause of Cormac’s coughing, he had a barium swallow test using fluoroscopy, a live-action x-ray. The shading in fluoroscopy is the opposite of usual x-rays, so barium and bones appear black, while the air in his throat and trachea appear white. In this video, we only see Cormac’s throat and the upper part of his neck. His nose is out of the screen, pointing to the left, while the rest of his body is to the right. The windpipe appears as a white tube and is at the lower part of the screen.

At the beginning of the video, you see Cormac swallowing some food mixed with barium, which appears black. A normal dog would quickly move this food into the esophagus, which is the tube above the windpipe (which appears white). No food with barium should remain in the throat or get into the windpipe. However, when Cormac swallows, while some black barium/food successfully moves into the esophagus, you see some of the black barium/food balling up at the top of the throat, as well as a line of black appearing in the trachea (the white tube in the lower part of the neck). This retention of barium in the throat is classic for Cricopharyngeal Achalasia. The movement of food, water, or barium into the airway causes aspiration pneumonia, which can be very serious, needing antibiotic therapy, and sometimes a hospital stay.

Learn more about coughing in dogs at: https://www.preventivevet.com/dogs/wh...

Video used with permission of Cormac's owners.

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