This case involves a man in his late 40s with a history of high cholesterol who received a combination of Xarelto and Enoxaparin Sodium after undergoing knee replacement surgery. He was given a dosage of Enoxaparin Sodium not long after taking Xarelto. His Enoxaparin Sodium dosage appeared to be 150 mg instead of 15 mg. The patient suffered an intracranial hematoma, but medical staff did not identify it until 3 days later when the patient was found unconscious in his bed. After the delay in diagnosis, the patient was sent to the emergency department. While in the emergency department, he went into cardiac arrest and ultimately died.