Angiography or arteriography is a medical imaging technique used to visualize the inside, or lumen, of blood vessels and organs of the body, with particular interest in the arteries, veins and the heart chambers. This is traditionally done by injecting a radio-opaque contrast agent into the blood vessel and imaging using X-ray based techniques such as fluoroscopy. So angiography consists of MRI, CT-Scan. . . | Arteriography Angiography or arteriography is a medical imaging technique used to visualize the inside or lumen of blood vessels and organs of the body with particular interest in the arteries veins and the heart chambers. This is traditionally done by injecting a radio-opaque contrast agent into the blood vessel and imaging using X-ray based techniques such as fluoroscopy. So angiography consists of MRI CT-Scan. . . Many kinds of Angiograms for example Coronary angiography Microangiography Neuro-vascular angiography Peripheral angiography How does anteriography play important role in diagnosis Gastrointestinal bleeding Endoscopy for upper gastrointestinal bleeding and scintigraphy for lower gastrointestinal bleeding are important steps in the management and outcome of transcatheter angiography. Computerized tomography angiography is a promising tool for the treatment of both upper and lower GI bleeding and this procedure has become part of the imaging toolset. In addition angiography performed outside of working hours had a higher rate of clinical success than the angiographies performed in working hours most likely secondary to much appropriate timing of arteriogram in terms of critical bleeding intervals. In upper GI bleeding arteriography is reserved for situations where brisk bleeding makes endoscopy difficult. Multidetector computed tomography CT allows excellent visualization of both the small and large bowel. Multiphasic multidetector CT allows direct demonstration of bleeding into the bowel and is helpful in the acute setting for visualization of the bleeding source and its characterization. The additional information provided by multidetector CT angiography before attempts at therapeutic angiographic procedures leads to faster selective catheterization of bleeding vessels thereby facilitating embolization. Some investigators advocate an upper GI endoscopy after colonoscopy yields negative results as about 10 of cases are ultimately found to involve an .
