gastroscopy
gas·tro·scope
G0056400 (găs′trə-skōp′)| Noun | 1. | gastroscopy - visual examination of the stomach by means of a gastroscope inserted through the esophagus |
| 单词 | gastroscopy | |||
| 释义 | gastroscopygas·tro·scopeG0056400 (găs′trə-skōp′)
GastroscopyGastroscopyexamination of the gastric cavity by means of a special instrument, the gastroscope, which is inserted into the stomach through the mouth and the esophagus; a form of endoscopy. The gastroscope is a flexible tube with an optic system of numerous short-focus lenses and an electric bulb inside it. The gastroscope can easily and safely be inserted into the stomach. It is used when a stomach tumor or an ulcer is suspected and, in gastritis, for a detailed examination of the mucous membrane. REFERENCESMnogotomnoe rukovodstvo po vnutrennim bolezniam, vol. 4. Moscow, 1965. Pages 36–39.gastroscopygastroscopy[gas-tros´kah-pe]A sedative is given 30 minutes to 1 hour before the examination. The patient is awake during the procedure, which is not painful but is uncomfortable and exhausting. The sedatives help relieve apprehension and fear so that the patient can be more cooperative during the examination. A local anesthetic such as cocaine or tetracaine (Pontocaine) is sprayed on the posterior pharynx to depress the gag reflex and reduce local reaction to the passage of the gastroscope. The patient is watched for toxic reaction to these drugs, and an emergency tray containing an airway, barbiturates, and epinephrine must be readily available. After the procedure is completed the patient should be provided with rest and an opportunity to sleep. Foods and liquids are withheld until the gag reflex returns (usually about 4 hours). During the first two hours after gastroscopy the patient's vital signs should be checked periodically, especially if biopsies have been taken during the procedure and there is danger of bleeding. gas·tros·co·py(gas-tros'kŏ-pē),gastroscopyThe examination of the mucosal surface of the stomach by an upper GI endoscope.gastroscopyGastric endoscopy GI disease An internal examination of the stomach using a gastroscope passed through the mouth and esophagusgas·tros·co·py(gas-tros'kŏ-pē)gastroscopyDirect visual examination of the inside of the stomach. This is done when barium X-ray reveals an ulcer, so that malignancy can be excluded by BIOPSY. The healing of ulcers can also be confirmed by gastroscopy. Various treatments can also be performed by gastroscopy. These include the injection of adrenaline around a bleeding ulcer to constrict the blood vessels.Gastroscopygas·tros·co·py(gas-tros'kŏ-pē)gastroscopy
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