Contrast Media Tool

Question 1

.Scanner feature to automatically
initiate a prescribed axial, helical or dynamic scan
when a threshold level of contrast enhancement is
reached at a specified region of interest

Answer 1

Bolus tracking

Question 2

Scan mode used to measure the
contrast transit time using a small injection of
contrast media

Answer 2

Test bolus

Question 3

Graph of the contrast enhancement versus time

Answer 3

Time-attenuation curve

Question 4

CT number (HU) where bolus tracking tool will trigger the system to begin
the scan

Answer 4

Threshold

Question 5

Scanner feature used to_______ the TAC

Answer 5

quantitatively
evaluate

Question 6

Time from injection to the start of monitoring scans (Time 1 in figure below)

Answer 6

Monitoring delay

Question 7

Time between consecutive
monitoring scans to (Time 2 in figure below)

Answer 7

Monitoring interval:

Question 8

Time from when threshold is
reached and prescribed axial, helical or
dynamic scan begins (Time 3 in figure below)

Answer 8

Scan delay