122
CoronaryCTA
CorCTALowHeartRate
Indications:
This spiral scanning protocol is identical to
CoronaryCTAFast, except that it uses a reduced table
feed. It is intended for patients with very low heart
rates below 50 bpm.
CoronaryCTA
LowHeartRate 2
nd
recon.
kV 120
Effective mAs 700
Slice collimation 0.75 mm
Slice width 3.0 mm
Feed/Rotation 2.6 mm 1.0 mm
Rotation time 0.42 sec.
Kernel B30f
Increment 3.0 mm 0.5 mm
CTDI
Vol
54.6 mGy
Topogram:
AP, 512 mm.
Approximately, from
the carina to the
apex of the heart.
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