The MRI department receptionist reports to the MR technologist that the next patient is very claustrophobic. What action should the MR technologist take?
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When viewed on an axial image of the knee, the ACL runs from…
When viewed on an axial image of the knee, the ACL runs from:
To best visualize the pituitary gland in MRI, the optimal pl…
To best visualize the pituitary gland in MRI, the optimal planes for high resolution T1 weighted images are:
Signal loss in an MRA image can be due to these 2 factors:
Signal loss in an MRA image can be due to these 2 factors:
What is the receiver bandwidth associated with?
What is the receiver bandwidth associated with?
On Diffusion Images, ADC Map, how will an acute stroke appea…
On Diffusion Images, ADC Map, how will an acute stroke appear?
During an MRI exam, the MR technologist needs to reduce scan…
During an MRI exam, the MR technologist needs to reduce scan time due to an uncooperative patient. The original sequence parameters are TR=600 msec, TE=15 msec, NEX=2, and matrix=256×224; the altered parameters are TR=500 msec, TE=12 msec, NEX=2, and matrix=256×192. What is the time savings?
Which of the following changes would increase the SNR the mo…
Which of the following changes would increase the SNR the most without changing the scan time on a T1W sequence?
A critically ill patient is being monitored by a pulse oxime…
A critically ill patient is being monitored by a pulse oximeter during the MR exam. What is considered a normal O2 saturation value in arterial blood?
A patient is in a great deal of pain. To reduce scan time fo…
A patient is in a great deal of pain. To reduce scan time for a T2W image, the MR technologist decides to increase the ETL by 50%. What additional effects would there be?