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
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
mSv. The dose values of the new Siemens CT sc...
Certain Tests in ERs Raise Cancer Risk for Some
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...