4-chamber view
On the down is a 4-chamber view, achieved by rotating upwards from the apex of the heart on the axial slices.
In this axis, the right ventricle is projected next to the right atrium, and the left ventricle next to the left atrium.
The mitral valve comes into view and - depending on the contrast protocol - the tricuspid valve may also be visible.
Another feature of this cardiac axis is that the apex of the heart is well demarcated. Note that the apex is formed by the left ventricle.
In this axis, the right ventricle is projected next to the right atrium, and the left ventricle next to the left atrium.
The mitral valve comes into view and - depending on the contrast protocol - the tricuspid valve may also be visible.
Another feature of this cardiac axis is that the apex of the heart is well demarcated. Note that the apex is formed by the left ventricle.
4-chamber view. RA=right atrium, RV=right ventricle, LA=left atrium, LV=left ventricle
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