With cranial angulation from a four-chamber view, the left ventricular outflow tract appears wedged between the two atrioventricular valves. With further cranial angulation, the aortic valve and the aortic root are imaged (Fig.8.1).
Fig. 8.1

The plane of the five-chamber view on the fetal body (a) and on a heart diagram (b). AoV aortic valve, MV mitral valve, PV pulmonary valve, TV tricuspid valve


Aortic Valve Mitral Valve Aortic Root Left Ventricular Outflow Tract Ight Atrium 
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