Review Question - QID 216595

A 33-year-old man presents to the emergency department with testicular pain. The pain started yesterday and has been gradually worsening. He states that it hurts to touch his testicle and he is concerned that he injured himself. The patient is otherwise healthy and takes no medications. He engages in penetrative intercourse with both men and women and uses condoms most of the time. His temperature is 98.5°F (36.9°C), blood pressure is 122/81 mmHg, pulse is 70/min, respirations are 14/min, and oxygen saturation is 97% on room air. Physical exam reveals tenderness over the superior pole of the left testicle with a normal testicular lie and intact cremasteric reflex. Ultrasound reveals increased blood flow to the affected testicle. Which of the following is the most appropriate treatment for this patient?