Table 4.6 Transducer positions


Views Location Angulation Rotation Structures visible Guidelines
Right long-axis 'reference' optimised for LV and LA Right parasternal reference 0 dorso-ventral
0-+caudal
None RA, TV, TV, IVS, LA, MV Axial beam crosses basal IVS and CT of caudal mitral leaflet. Long axis of LV perpendicular to beam
Right long axis 'reference' optimised for LVOT and AOV Dorsal to reference 0-+dorsal
0-+caudal
+20-30 RA, TV, RV, IVS, LVOT, AoV, Aorta, (LA,PA) Axial beam transect AOV base
Long axis of LV perpendicular to beam
Right long/oblique axis (RV inflow/outflow view) Dorsal to reference +dorsal
+-++cranial
-30-+10 RA, TV, RV, PV, PA, AoV, (LA) Axial beam transects right coronary artery AoV seen in oblique section
Right short-axis papillary level Ventral to reference 0-ventral
+caudal
-80 LV, IVS, (RV) M-mode cursor crosses between papillary muscles, LV lumen as circular as possible
Most basal level with no CT seen
Right short-axis chordal level Reference 0 dorso-ventral
+caudal
-80 LV, IVS, CT, RV LV lumen as circular as possible
M-mode cursor bisects IVS
CT seen, MV not seen
Right short-axis aortic level Dorsal to reference 0-+dorsal
+cranial
-60--30 LV, IVS, CT, RA, RV, TV, AoV, LA Axial beam transects of AoV
Mercedes-Benz sign of Aov, Aov circular
Left long-axis optimised for LV and LA (reference view) Reference 0 dorso-ventral
0-+caudal
0-+10 LV, MV, CT, LA Axial beam between papillary muscles and mitral valve
Long axis of LV perpendicular to beam
Left long-axis optimised for LA Dorsal to reference 0 dorso-ventral
0-+caudal
0-+10 LV, MV, CT, LA Axial beam bisects MV annulus
Long axis of LV perpendicular to beam
Left short-axis papillary level Ventral to reference 0 dorso-ventral
0-+caudal
-100--90 LV, IVS, RV, RVFW LV lumen as circular as possible
Axial beam crosses junction of IVS and LVFW
Left short-axis chordal level Reference 0 dorso-ventral
+caudal
-100--90 LV, IVS, RV, RVFW, CT LV lumen as circular as possible
Axial beam crosses junction of IVS and LVFW, ventral to LVOT

Key:Angulation:0, none; +, slight; ++, marked. Rotation: +, clockwise; -, anticlockwise.
See also List of Abbreviations