64 Slice MDCT Protocols: Cardiac Low Heart Rate .37

Specific anatomic region

Cardiac Low HR (Heart Rate) .37

Application

Coronary Arteries - coronary artery disease

Author

Elliot K Fishman, MD

Reference Source

JHU Protocol

Scanner Used

Siemens Sensation 64

KV/Effective mAs/ Rotation time (sec)

120/ 850 / .37

Detector Collimation (mm)

.6

Slice thickness (mm)

.75

Pitch

.18

Kernel

B20

Reconstruction interval

.4

Image order (acquisition)

Cr-ca

Oral contrast

N/A

IV contrast volume and type

80 cc Visipaque 320 / 40 cc saline

Injection rate

4cc/sec

Scan delay (sec)

Test bolus + 6 sec handling time

3D technique used

VRT/MIP

Comment: An ideal heart rate for cardiac CT is 60-65 BPM and if too slow can be an issue as well.