Problem: An ill-appearing 16-year-old male is brought to the clinic with sudden onset testicular pain, nausea, and vomiting. Exam finds a negative Prehn's sign. What is the best diagnosis and treatment? Need Assignment Help? Testicular torsion, order ultrasound of testicle Varicocele, order ultrasound, start antibiotic, and recheck in one week Epididymitis, start antibiotic Testicular torsion, emergency surgical referral