The Larmor equation is stated as:
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precessional frequency = gyromagnetic ratio multiplied by the static
magnet field
pf = (y/2tt) B.
Where y/2tt is 42.6
As different tissue such as fat in water begin to disease or fall out of phase, spin spin
interactions must reach an amplitude of _____% to be considered T2 weighted.
• 54%
• 63%
• 37%
• 42.6%
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, 37%
y/2tt =
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Gyro magnetic ratio (constant = 42.6)
What is the strongest magnetic field that can be measured in a 3 T magnet. 6 m from
the center of the magnet when a 6 mT/M gradient pulse is applied?
• 3.36
• 3.012
• 3.036
• 2.964
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3.036
Frequency of hydrogen in megahertz per Tesla
Give this one a try later!
Give this one a try later!
precessional frequency = gyromagnetic ratio multiplied by the static
magnet field
pf = (y/2tt) B.
Where y/2tt is 42.6
As different tissue such as fat in water begin to disease or fall out of phase, spin spin
interactions must reach an amplitude of _____% to be considered T2 weighted.
• 54%
• 63%
• 37%
• 42.6%
Give this one a try later!
, 37%
y/2tt =
Give this one a try later!
Gyro magnetic ratio (constant = 42.6)
What is the strongest magnetic field that can be measured in a 3 T magnet. 6 m from
the center of the magnet when a 6 mT/M gradient pulse is applied?
• 3.36
• 3.012
• 3.036
• 2.964
Give this one a try later!
3.036
Frequency of hydrogen in megahertz per Tesla
Give this one a try later!
