Safety:The FDA limits whole body SAR to be 4 w/kg over 15 minutes of scanning. What is the SAR limit for the head?
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Safety:When moving blood enters a magnetic field, there is a…
Safety:When moving blood enters a magnetic field, there is a spike in the T wave on an ECG, this is termed:
Safety:The primary concern regarding the stray or fringe fie…
Safety:The primary concern regarding the stray or fringe field of the magnet is:
Which method efficiently acquires both PD and T2 images with…
Which method efficiently acquires both PD and T2 images within one TR using shared echo data?
What happens to the pixel at the magnetic isocenter during s…
What happens to the pixel at the magnetic isocenter during scanning?
Patient Care:This term refers to temporary loss of conscious…
Patient Care:This term refers to temporary loss of consciousness and can sometimes be related to orthostatic hypertension.
The Nyquist frequency is equal to:
The Nyquist frequency is equal to:
Which component is active during the re-phasing of the trans…
Which component is active during the re-phasing of the transverse magnetization in a spin echo pulse sequence?
What does DSC perfusion imaging measure?
What does DSC perfusion imaging measure?
supraspinatus.png What is ‘A’ pointing to?
supraspinatus.png What is ‘A’ pointing to?