The use of endocardial pacing in patients with univentricular hearts is limited. However, it may be the better option when the risk of surgery is high. We report a case of complete heart block who underwent left ventricular endocardial pacing due to the high risk of epicardial lead placement.

Background and Objectives:Trichomonas vaginalis is a flagellate protozoan that is the most common sexually parasitic transmitted infection in the world. Metronidazole is currently used for the treatment of trichomoniasis, which has side effects. In recent years, the use of plants and natural compounds has been considered by researchers. This study was conducted to investigate the anti-trichomonal activity of methanolic extract of Hyssopus officinalis on Trichomonas vaginalis in vitro. Methods:In this experimental study, the extract was prepared by Soxhlet method, and to evaluate the effect of methanolic extract of Hyssopus officinalis on Trichomonas vaginalis parasites, the concentrations of 50,