Correct spelling for the English word "luxus heart" is [lˈʌksəs hˈɑːt], [lˈʌksəs hˈɑːt], [l_ˈʌ_k_s_ə_s h_ˈɑː_t] (IPA phonetic alphabet).
• A German term for combined dilatation and hypertrophy of the heart, of the left ventricle chiefly.
• Combined dilatation and hypertrophy of the heart.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.