Human bodies are made up of how much water?
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95%
What would the net magnetization's precessional frequency of a hydrogen atom be in
an MRI machine with a magnet field strength of 1.5?
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Step 1: Write Larmor Equation formula. pf = (y/2π)B Step 2: Plug in values
according to formula. pf = (42.6)(1.5) Step 3: Multiple values. pf = 63.9 MHz
,what is T2 Relaxation
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the amount of time it takes for two types of tissue (fat vs. water) to become
dephased - amplitude of 37%
what is the frequency of hydrogen chart
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42.6x.5 Tesla= 21.3MHZ, 42.6x1T=42.6MHZ, 42.6x1.5T=63.9MHZ,
42.6x3T=127.8mhz
As different tissue (such as fat and water) begin to de-phase or fall out-of-phase, spin-
spin interactions must reach an amplitude of ____% to be considered T2-weighted.
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37%
what is magnetic moment
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, the specific magnetic property or activity individual protons endure at a
microscopic level in regards to normal or static state
what does pf stand for
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precessional frequency (Mhz
when do you have more parallel protons
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high magnetic strength= more parallel protons= higher quality of image
The Y - gradient creates linear variations in an anterior to posterior direction, resulting
in ____________ imaging capabilities
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Coronal
The accumulated amount of low thermal energy protons that align with the external
static magnetic field is known as
Give this one a try later!
Give this one a try later!
95%
What would the net magnetization's precessional frequency of a hydrogen atom be in
an MRI machine with a magnet field strength of 1.5?
Give this one a try later!
Step 1: Write Larmor Equation formula. pf = (y/2π)B Step 2: Plug in values
according to formula. pf = (42.6)(1.5) Step 3: Multiple values. pf = 63.9 MHz
,what is T2 Relaxation
Give this one a try later!
the amount of time it takes for two types of tissue (fat vs. water) to become
dephased - amplitude of 37%
what is the frequency of hydrogen chart
Give this one a try later!
42.6x.5 Tesla= 21.3MHZ, 42.6x1T=42.6MHZ, 42.6x1.5T=63.9MHZ,
42.6x3T=127.8mhz
As different tissue (such as fat and water) begin to de-phase or fall out-of-phase, spin-
spin interactions must reach an amplitude of ____% to be considered T2-weighted.
Give this one a try later!
37%
what is magnetic moment
Give this one a try later!
, the specific magnetic property or activity individual protons endure at a
microscopic level in regards to normal or static state
what does pf stand for
Give this one a try later!
precessional frequency (Mhz
when do you have more parallel protons
Give this one a try later!
high magnetic strength= more parallel protons= higher quality of image
The Y - gradient creates linear variations in an anterior to posterior direction, resulting
in ____________ imaging capabilities
Give this one a try later!
Coronal
The accumulated amount of low thermal energy protons that align with the external
static magnetic field is known as
Give this one a try later!
