38
HeartView CT
CoronaryStd0.5s
Indications:
This is a standard spiral scanning protocol, using a
Rotation Time of 0.5 s, with an ECG gating technique
for coronary CTA studies.
Topogram:
AP, 512 mm.
Approximately, from
the carina until the
apex of the heart.
A typical range of
12 cm covering the
entire heart can
be done in 18.4 s.
CoronaryStd0.5s
kV 120
Effective mAs 500
Slice collimation 0.75 mm
Slice width 1 mm
Feed/Rotation 3.4 mm
Rotation time 0.5 sec.
Temporal resolution Up to 125 ms*
Kernel B30f
Increment 0.5 mm
Image order cr-ca
CTDIw42.0 mGy
Effective dose Male: 7.0 mSv
Female: 10.2 mSv
* Depends on heart rate.