Merck Manual

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Preoperative brachycephalic dog
Preoperative brachycephalic dog
Preoperative brachycephalic dog

A brachycephalic dog going to surgery for an intestinal obstruction due to a foreign body. Notice the nasogastric tube placed. These tubes can be suctioned to prevent aspiration pneumonia and measure gastric residual volumes as well as administer medications and nutrition to patients.

Courtesy of Dr. Andrew Linklater.