Radiology Flashcards
What is the BMI cut off for low dose non con CT?
30
What ultrasound transducers produce the best resolution?
linear
What ultrasound frequency produce the best resolution?
high
What ultrasound frequency is best for superficial structure?
high
what is the risk of gadolinium mRI in ESRD? How is it prevented?
Nephrogenic systemic fibrosis
Dialysis
What is the impact of impaired renal function on diuretic renogram?
non diagnostic (False positive for obstruction)
What is the impact of full bladder on diuretic renogram?
False positive for obstruction
What is the impact of dehydration on diuretic renogram?
False negative
____ the kVP decreases the radiation dose?
Increase
____ the MA decreases the radiation dose?
Decrease
____ the image intensifier distance decreases the radiation dose?
Decrease
____ the Xray tube distance decreases the radiation dose?
Increase
____ the image intensifier grid decreases the radiation dose?
Removing
How does fat appear on T1 MRI?
bright
