Which Laboratory Test Is Essential for Confirming the Diagnosis of Myxedema Coma

Ms. Garcia, a 50-year-old Female, Is Admitted to the Emergency Department with Altered Mental Status, Hypothermia and Bradycardia. She Has a History of Hypothyroidism and Has Been Non-compliant with Her Medication for the Past Few Weeks. the Healthcare Team Suspects Myxedema Coma