Nat. Rev. Cardiol. doi:10.1038/nrcardio.2017.131 Figure 4 Possible combinations of classes of antianginal drugs according to different comorbidities Figure 4 | Possible combinations of classes of antianginal drugs according to different comorbidities. BB, β-blockers; DHP, dihydropyridine calcium-channel blockers; DILT, diltiazem; HR, heart rate; IVAB, ivabradine; NIC, nicorandil; NITR, nitrates; RAN, ranolazine; TRIM, trimetazidine; VER, verapamil. Ferrari, R. et al. (2017) A ‘diamond’ approach to personalized treatment of angina Nat. Rev. Cardiol. doi:10.1038/nrcardio.2017.131