HCM - Hypertrophic Cardiomyopathy (rev. 06/23/2023)
Indication: Hypertrophic cardiomyopathy
SEQUENCES
Localizer
Axial bright blood MBH chest
Axial dark blood chest free breathing
2 chamber CINE
Fake short axis CINE
4 chamber CINE
T2 dark blood SA
T2 dark blood 2 chamber
T2 dark blood 4 chamber
3 chamber CINE stack (0 spacing)
Coronal LVOT CINE
Aortic Valve CINE
In-plane Phase Contrast (best 3 chamber views)
In-plane PC, copy same position, with valsalva
Through-plane Phase Contrast (multi-slice)
*optional Through-plane PC Mitral Valve (VENC 80)
— CONTRAST–
optional multislice first pass perfusion
Short axis stack CINE
TI scout
3D MDE short axis
3D MDE 4 chamber
MDE single shot SAS
MDE single shot 2 chamber
MDE single shot 4 chamber
MDE single shot 3 chamber
MDE segmented SAS
MDE segmented 2 chamber
MDE single shot 4 chamber
MDE single shot 3 chamber
NOTES
3 chamber CINE is a STACK of 3-5 slices
This is to ensure the LVOT is completely evaluated for obstruction, turbulence, and SAM
In-plane Phase Contrast
Copy from single 3 chamber CINE slice which best shows subaortic stenotic jet
* Start with VENC 150, and repeat with VENC increases until aliasing is completely gone
** Do without and during Valsalva
Through-plane Phase Contrast
Multiple slices – sinotubular junction, aortic valve plane, and LVOT
* Start with VENC 150, and repeat with VENC increases until aliasing is completely gone
Through-plane Phase Contrast MITRAL VALVE
VENC 80
Optional for E/a diastolic dysfunction