Etafenone is a

vasodilator Vasodilation is the widening of blood vessels. It results from relaxation of smooth muscle cells within the vessel walls, in particular in the large veins, large arteries, and smaller arterioles. The process is the opposite of vasoconstriction, ...

which has been used as an

antianginal An antianginal is a drug used in the treatment of ''angina pectoris'', a symptom of ischaemic heart disease. Examples Drugs used are nitrates, beta blockers, or calcium channel blockers. Nitrates Nitrates cause vasodilation of the venous capaci ...

agent.

References

Vasodilators Aromatic ketones Phenol ethers Diethylamino compounds {{cardiovascular-drug-stub