Differential Diagnosis Mnemonic: HE DIES Hypothyroidism Elevated intracranial pressure (ICP) Cushings reflex Bradycardia Increased blood pressure Irregular breathing Drugs Beta blockers Calcium channel blockers Digoxin Ischemia Electrolytes Especially potassium!!! Sick Sinus Syndrome Approach to Bradycardia Step 1: Get an EKG Ischemia? Heart block? 1st degree = PR interval >200ms (5 small boxes) 2nd degree type […]