Archive for the ‘radiology’ Category

Treatment of anticholinergic-induced ileus with neostigmine?

A 33-year-old man with a history of recreational benztropine abuse presented to the emergency department with confusion, abdominal pain, and distention. An abdominal radiograph revealed gross fecal loading. He was initially treated with intravenous fluids and opiate analgesia. Subsequently, a diagnosis of anticholinergic poisoning was made, based on tachycardia, delirium, dry mucosa, and reduced bowel [...]

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Basics of ultrasonography

Sound and ultrasound waves consist of a mechanical disturbance of a medium such as air. The disturbance passes through the medium at a fixed speed causing vibration. The rate at which the particles vibrate is the frequency, measured in cycles per second or hertz (Hz). Sound becomes inaudible to the human ear above about 20 [...]

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New Guidelines for Colon Cancer Screening Released

Last Updated: 2009-03-11 14:00:30 -0400 (Reuters Health) NEW YORK (Reuters Health) – The American College of Gastroenterology has just released new guidelines for colorectal cancer screening, the first update to their last recommendations issued in 2000. One key change, according to the guidelines which appear in The American Journal of Gastroenterology for March, is that [...]

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Calcium score in MSCT Cardiac Imaging

Multi Slice CT Cardiac Imaging Calcium scoring is a technique where the extent of calcification in the coronary arteries is measured and scored. There is a direct correlation between the extent of calcium in the coronary arteries and the risk of a future cardiac event. For example, a calcium score of more than 400 is [...]

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technology 4d imaging for pregnant women

What is Obstetrical Ultrasound Imaging? Ultrasound imaging, also called ultrasound scanning or sonography, involves exposing part of the body to high-frequency sound waves to produce pictures of the inside of the body. Ultrasound exams do not use ionizing radiation (as used in x-rays). Because ultrasound images are captured in real-time, they can show the structure [...]

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