An 18 year-old male patient presents to the ER with sudden onset excruciating pain in the right scrotum following weight-lifting exercises. Patient states that he was at the gym working out when the symptoms appeared. This has been going on for the past 4 hours without relief. Physical exam demonstrates that the right testis appears to be elevated in comparison to the left. Cremaster reflex is absent. Answer the following questions: What is the most likely diagnosis? [ Select ] What is the underlying disease process/pathophysiology? [ Select ] What other clinical finding would most support this diagnosis? [ Select ] Is this condition a medical emergency? [ Select ]