Stomach disease utilizes a small flexible camera. The procedure does require intravenous sedation and takes about 30–45 minutes; the endoscope is inserted via the mouth and can visualize the entire swallowing tube, stomach and duodenum. The procedure also allows the physician to obtain biopsy samples. In many cases of bleeding, the surgeon can use the endoscope to treat the source of bleeding with laser, clips or other injectable drugs. Other radiological studies frequently used to assess patients with chronic stomach problems include a barium swallow, where a dye is consumed and pictures of the esophagus and stomach are obtained every few minutes.
Gourd mouth organ in some gourd mouth organs allow for the bending of tones. The "lusheng" of the Hmong, Miao, and Dong people has a similar name but its windchest is made from an elongated tube of wood rather than gourd. Gourd mouth organ A gourd mouth organ is a traditional wind instrument found in many nations of East and Southeast Asia. It is a free reed mouth organ similar to the Chinese "sheng" but with a windchest made from a dried bottle gourd rather than metal or wood. Its pipes (often five in number) are made of bamboo and it has free