The first case report of acute myocardial infarction in young adult caused by scrub typhus.

RATIONALE: Scrub typhus is a zoonotic disease caused by Orientia tsutsugamushi, a gram-negative intracellular bacterium and endemic in Asia-Pacific area. Acute myocardial infarction after Oricntia tsutsugamushi infection was rarely reported, and young adult was not reported.

PATIENT CONERNS: A 33-year-old man came to the emergency complained with chest tightness and fever for 4 days.

DIAGONOSES: After Weil-Felix agglutination test (titer 1:160) twice, scrub typhus was diagnosed.

INTERVENTIONS: After treating with a hormonotherapy, antibiotic and ventilator-assisted ventilation, his chest tightness was mild lessened with normal breath and body temperature. However, an emergent coronary angiography performed unnormal, then a percutaneous coronary intervention was realized with the implantation of a stent.

OUTCOMES: After the surgeon, his chest tightness was totally released, and he was discharged.

LESSONS: Our case was the first report of young adult acute myocardial infarction after O tsutsugamushi infection and we tried to figure out the potential mechanism and how to deal with.