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MSV in Medical News

Educating physicians about ventilation-perfusion scanning leads to reduced radiation exposure

...t radiation exposure, the mean effective dose was reduced by 23%, from 11.5 msv in 2006 to 8.9 msv in 2007," she said. "CT confers a much higher radiation exposure than VQ...

Radiation dose can be reduced for 'triple rule-out' coronary CT angiography

...fective radiation dose ranged between 9.9 and 31.3 msv in patients without modulation; the dose ranged between 5.4 and 16.6 msv in patients with modulation. "Image quality was co...the radiation is a lot less, averaging less than 9 msv when using tube current modulation. In addition, i...

Siemens Demonstrates Flash Speed, Lowest Dose at ACC 2009

... the average effective dose required for this purpose usually ranges from 8 msv to 40 mSv. The patient is moved through the CT-scanner more than twice as f...he average person is exposed to each year from natural sources amounts to 2 msv to 5 mSv. The dose values of the new Siemens CT scanner lie far below those...

Flash Speed. Lowest Dose.

...se required for this purpose usually ranges from 8 msv to 40 mSv. (Logo: http://www.newscom.com/...ffective dose for a heart CT scanner ranges from 8 msv to 40 mSv, the new Siemens CT scanner gets by with...sed to each year from natural sources amounts to 2 msv to 5 mSv. The dose values of the new Siemens CT sc...

Certain Tests in ERs Raise Cancer Risk for Some

...d. By way of comparison, Bullard noted that 200 msv was the average exposure level observed among Naga...study patients averaged half that amount -- or 100 msv -- spread over the five years of the study. The...s, and we're finding average exposure levels of 41 msv in just the first 24 hours of hospitalization," he...

CVCTA Education Announces New LOW DOSE Initiative for CT Angiograms

...it. We have heard anecdotal reports of doses of 30 msv for CCTA. Using the LOW DOSE method for every scan, the doses should be no more than 8 msv for the average patient," said Dr. Tony DeFrance, ... 6'2, 200lbs and I had a CTA last week with only 6 msv dose. As part of our training program, we emphasiz...

Balloon catheter-based sinus surgery radiation exposure 'very low,' safe

...s determined that the average dose of radiation received by a patient (0.32 msv per sinus and 1.02 msv over the eye) and the average total time of the procedure (just over three-...

Research and innovation at the intersection of physics and health sciences

...sented at the meeting: MEDICAL RADIATION EXPOSURES RISING In 1982, the per capita radiation dose from medical imaging was estimated to be 0.54 msv (millisieverts, a standard unit of radiation exposure) and the collective dose was124,000 person-Sv. Just 14 years later, the National Council on Radi...

First Genetically Engineered Maize Resistant to Maize Streak Virus Produced in S. Africa

...at a high level, prevents the virus from replicating and killing the plant. The transgenic maize variety has proven consistently resistant to msv and the trait can be reliably passed on to the next generation and in crosses to other varieties, they opined. Field trials are scheduled to ...

Low dose Radiation Exposure May Cause Cancer

...time period. At present .the generally accepted limit of occupational exposure to ionizing radiation is 100 millisieverts (mSv) over five years and 1 msv per year for the public. Cardis in her study says that for decades there has been controversy about the use of data on A-bomb survivors for setting s...
MSV in Medical Definition

Full-body scan

.... [5] One of the risks of a full body CT scan is the relatively high doses of radiation. [6] Conventional CT scanners may expose patients to 10 msv of radiation, or over a hundred times that of a chest x-ray. [7] However, the radiation risk of CT scanners used for screening may be less than th...

Nuclear medicine

... a 3 MBq chromium -51 EDTA measurement of glomerular filtration rate to 37 msv for a 150 MBq thallium -201 non-specific tumour imaging procedure. The com...mon bone scan with 600 MBq of technetium-99m-MDP has an effective dose of 3 msv (1). It can be noted that more radiation is absorbed by the body during a...
MSV in Biological News

First all-African GM crop is resistant to maize streak virus

...ral biotechnology, and will play an important role in alleviating Africas food shortages and famine. Dr Dionne Shepherd, lead researcher explains, msv is transmitted to maize by small insects called leafhoppers. The disease is therefore a result of a complex interplay between the plant, the virus and...
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