An abnormal right ventricular apical angle is indicative of global right ventricular impairment.
L?pez-Candales A, Dohi K, Iliescu A, Peterson RC, Edelman K, Bazaz R. An abnormal right ventricular apical angle is indicative of global right ventricular impairment. Echocardiography. 2006 May; 23(5):361-8.