October 23, 2007

Allison Zwingenberger, in Ultrasound Tuesday

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Ultrasound of arterial and venous thrombosis

Thrombosis is a complication of many diseases in veterinary medicine. Heart disease, protein losing nephropathy and steroid therapy or hyperadrenocorticism can all predispose an animal to arterial or venous thrombi. Many of the systemic vessels involved are located in the abdomen and visible on abdominal ultrasound. We can identify thrombosis during an acute episode or [...]

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October 16, 2007

Allison Zwingenberger, in Ultrasound Tuesday

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Hepatic Cirrhosis

Chronic liver diseases cause damage to the normal liver parenchyma. Eventually, most of the hepatocytes are replaced with fibrous tissue and islands of nodular regeneration. When we see these cases in ultrasound, there are some characteristic changes to look for. The liver is small and nodular A small, nodular liver is very typical of cirrhosis. [...]

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October 09, 2007

Allison Zwingenberger, in Ultrasound Tuesday

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How to hold the transducer

After teaching in the introductory ultrasound lab last week, I just want to post some quick tips on how to hold the transducer that several students found helpful. Hold the transducer like a pencil, not a flashlight. This gives your wrist the greatest range of motion for moving in different planes. Hold the transducer close [...]

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