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Frontal view of the abdomen with double bubble sign, patient was found to have duodenal atresia. In radiology, the double bubble sign is a feature of pediatric imaging seen on radiographs or prenatal ultrasound in which two air filled bubbles are seen in the abdomen, representing two discontiguous loops of bowel in a proximal, or 'high,' small bowel obstruction.
The diagnosis of duodenal atresia is usually confirmed by radiography. An X-ray of the abdomen is the first step in evaluation. The x-ray should be obtained after placement of a nasogastric tube (feeding tube), evacuating the stomach and filling 40-50 ml of air [5] to demonstrate two large air filled spaces, the so-called "double bubble" sign.
Dense triangle sign; Double bronchial wall sign; Double bubble sign; Double decidual sign; Double density sign; Double duct sign; Double posterior cruciate ligament sign; Double track sign; Doughnut sign; Draping aorta sign; Dripping candle wax sign; Drooping lily sign; Drooping shoulder sign
Although the baby is exposed to radiation, an upper GI series (X-rays taken after the baby drinks a special contrast agent) can be diagnostic by showing the pylorus with elongated, narrow lumen and a dent in the duodenal bulb. [7] This phenomenon caused "string sign" or the "railroad track/double track sign" on X-rays after contrast is given ...
Pneumoperitoneum is pneumatosis (abnormal presence of air or other gas) in the peritoneal cavity, a potential space within the abdominal cavity.The most common cause is a perforated abdominal organ, generally from a perforated peptic ulcer, although any part of the bowel may perforate from a benign ulcer, tumor or abdominal trauma.
Abdominal radiography can show the classic sign of the "double bubble": the presence of air in the stomach and duodenum. [5] [6] Unfortunately, this double-bubble sign is not pathognomonic for annular pancreas, as it can also be observed in other conditions, such as duodenal atresia [7] and intestinal malrotation. [8]
The dark areas on both sides of the intestines indicate that air is present in both sides. This is called "Rigler's sign". A radiologic sign is an objective indication of some medical fact (that is, a medical sign) that is detected by a physician during radiologic examination with medical imaging [1] (for example, via an X-ray, CT scan, MRI scan, or sonographic scan).
X-ray from the underside of a dog with GDV. The dark area is the buildup of gas. Gastric dilatation volvulus ( GDV ), also known as gastric dilation , twisted stomach , or gastric torsion , is a medical condition that affects dogs and rarely cats and guinea pigs , [ 1 ] in which the stomach becomes overstretched and rotated by excessive gas ...