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Plane Selection in CMR
In Memory of Bill Woodward
Craig Broberg, MD
Oregon Health and Science University
Start with Axial Spin Echo Stack
Line up for Vertical Long Axis (VLA)
LA
RALV
RV
mitral valve
apex
Then Line up for short axis scout (SCOUT basal and mid)
Result: VLA
LA
LV
mitral valve
Note: Can be done as non-gated single-phase image (non-cine).
Result: Scout
Basal Mid
RV
Aorta
LV/mitral valve
RV
LV
RV
Scout (basal) VLA
Line up for left ventricular outflow tract (LVOT)
Aorta
LVRV LV
LA
Through maximum diameter of LVThrough apex
LVOT
Line up for Aortic Valve (AoV)
LA
Aorta
LV
RV
Note: plane should be perpendicular to LVOT
Align through center of Aortic valve
AoV
Line up for Four Chamber (4Ch)
VLA SCOUT (mid)
LA
LV
LVRV
Center of mitral valveMax diameter of RV and LV
4 Ch
LA
RA
LV
RV
Make sure both images are set at END Diastole
Line up for Short Axis Stack (SA)
VLA 4 Ch
LA
RA LV
RV
LA
LV
First slice should align with valves
SA (base to apex)
basal
mid
LV
RV
apical
Axial Spin Echo Stack
Line up for Right Ventricular Outflow Tract (RVOT)
LPARPA
MPA
View planes above and below
RVOT
Line up for Pulmonic Valve (PV)
MPA
RV
Pulmonic valve
PV
Pulmonic valve
MPA
RV
Line up for Right Pulmonary Artery (RPA)
Axial Spin Echo Stack
RPA
MPAAorta
RPA
LA
RPA
LV
MPA
Axial Spin Echo Stack
Line up for Left Pulmonary Artery (LPA)
LPA
MPAAorta
LPA
MPALPA
RPA LPA
Line up for Pulmonary Arteries (PAs)
MPARPALPA
MPA
Try to align through center of both RPA and LPA, though may not be possible
PAs
RPA
Aorta
LPA
MPA
4Ch SA (basal)
Line up for RV inflow-outflow (RV IN OUT)
RVOT
RV
RV/Tricuspid
RA
Pulmonic valve (“out”)
Tricuspid valve (“in”)
RV apex
Try to avoid LVOT/AoV here
RV IN OUT
RA
RV
MPA
Tricuspid valve
Pulmonic valve
Aorta
LVOT AOV
Line up for Aortic velocity map (AO FLOW)
RA
RV
Aorta
LV
Sinotubular junction
AO FLOW
RVOT MPA
Line up for pulmonary artery velocity map (PA FLOW)
RV
MPA RV
MPA
Stay above pulmonic valve
PA FLOW
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