A 14-Year-Old Boy With Progressive Weakness and Dyspnea CME/CE A 14-year-old boy presents to the ED with a 10-day history of progressive weakness following symptoms of an upper respiratory infection. The patient's weakness is affecting his extremities, and he has developed shortness of breath and difficulty urinating. The patient is sent for magnetic resonance imaging (MRI) of his brain and spine. What is the patient's condition as verified by the MRI?
A Young Athlete in Cardiac Arrest CME/CE A 17-year-old male was found in cardiac arrest following a blow to the chest. The patient immediately dropped to the ground and was unresponsive after being elbowed by a teammate who ran into him. What is the likely pathophysiology that led to the cardiac arrest?