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Contrast RADIOGRAPHIC IMAGING

 Contrast RADIOGRAPHIC IMAGING A high overall radiographic density or a low overall radiographic density also holds true for contrast an image can offer only little differences in density between different structures and be known as a low contrast image on the other hand a great difference in density between different structures can exist and this is known as a high contrast image the reason why a low contrast image gives little difference in densities is because there are so many densities present on a low contrast image ranging from light to dark this long range of densities gives the low contrast image the term long-scale contrast, on the other hand, a great difference in densities exists on a high contrast image because only a few densities are recorded on these images this is why high contrast images are also known as short-scale contrast images it might be tempting to assume that high contrast radiographic images are good and low contrast images are bad.   A high contras...
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Arthrography

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Arthrography  The indications contraindications and complications of arthrography describe pertinent Anatomy imaged on an arthrogram discuss pre-procedure preparation and assessment of a patient undergoing arthrography identify radiation protection and technical factors used during arthrography identify contrast agents used and their indications for an arthrogram described the patient positioning and procedural steps of an arthrogram of the hip and shoulder discuss post-procedure care and instructions for patients following an arthrogram procedure the patients.  The performance of the procedure a focused physical examination of the patient's affected joint may be performed labs are usually not needed on patients who are not on anticoagulant therapy for patients on warfarin therapy pro Stompin time or PT partial thromboplastin time or PTT INR and platelet count can be ordered, patients in anticoagulant therapy do not need to stop their medications prior to the procedure informe...
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Percutaneous Transhepatic Cholangiography ( PTC )

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 Percutaneous Transhepatic Cholangiography ( PTC ) PTC is an x-ray procedure that involves direct-inject of contrast medium in the bile duct. These are the ducts that carry bile from the liver to the gallbladder and small intestine In this procedure, a thin needle is directly inserted through the skin into the liver to reach the bile duct. Indications Contraindication Equipment Patient Preparation Procedure Aftercare Complication                 Indications ERCP procedure is failed  Strictures in the bile duct Suspected bile duct obstruction Billary system delineation in the presence of intra and extrahepatic biliary calculi Cause of Jaundice Suspected tumor Anatomic evaluation of complications of ERCP                     Contraindications Suspected pregnancy Allergic to contrast medium Bleeding tendency Gross Ascites - Fluid in the abdominal cavity Sever infection at the puncture si...
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