Kjer J J, Pedersen K H
Acta Obstet Gynecol Scand. 1982;61(3):281-2. doi: 10.3109/00016348209156573.
A rare side effect is reported following treatment of preterm labor with ritodrine hydrochloride. The patient developed persistent supraventricular tachycardia, which had to be changed to normal sinus rhythm by cardioconversion.