Severe Reactions: Respiratory Distress, Cardiac Issues, Death.
Ionic Contrast
Allergic Reaction to Gadolinium
Nephrogenic System Fibrosis
Resonant Burns
,Definition 3 of 209
A magnetic field unit of measurement.
10,000 Gauss = 1 Tesla
Bsub0
Sar
Gauss
Tesla
Definition 4 of 209
25cm
Wavelength/2 = maximum temperature increase
1.5T Wavelength 500mm = 50cm
50cm/2= 25cm
Diameter of wire on a 1.5t that affects temperature increase
Thickness of wire on a 1.5t that impacts temperature change
Length of wire on a 1.5T that has potential for maximum temperature increase
Resistance of wire on a 1.5t that influences temperature rise
Definition 5 of 209
IEC & ICNIRP
These organizations develop guidelines for noise pollution in public spaces
These organizations set standards for water quality in residential areas
These agencies manage Waste Disposal In Industrial Zones
These agencies regulates Time-Varying RF Field Occupational Exposure
,Definition 6 of 209
Specific Absorption Rate
Estimated measure of patient heating.
Measured in watts/kg
GAUSS
SAR
TESLA
VECTOR
Definition 7 of 209
ICNIRP
- Head and trunk is limited to a magnetic flux
density of 2T
- Limits are limited to a magnetic flux density of
8T
IEC
- Head and trunk is limited to a magnetic flux
density of 4T.
- Limbs are limited to a magnetic flux density of
4T.
Localized Transmit-Receive Coil Heating Limits for First Level Mode
Iec 60601-2-33 First Level Limits
Static Magnetic Field Occupational Exposure Limits
Time-Varying RF Field Occupational Exposure Limits
, Definition 8 of 209
Noise Reduction Rating
Measured in Decibels
MRI limited to 99dB with hearing protection.
NRR
HAVS
HERTZ
LINEAR
Definition 9 of 209
Test method for measurement of magnetically induced torque on medical devices in the MR
environment.
This describes the static magnetic field on objects that demonstrate ferrous components.
Astm f2182
Astm 2223
ASTM 2213
Golay coil
Definition 10 of 209
A type of contrast that contains a charge when dissolved in a solution (blood) that forms a
stronger bind between the gadolinium ion and the ligand.
Ionic Contrast
Viscosity
Iodinated Agents
Osmolarity
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller selftest. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.00. You're not tied to anything after your purchase.