Last updated on:October 18th, 2020
A 66-year-old man is brought to the emergency department because of a 2-hour history of crushing substernal chest pain radiating to the left shoulder. His pulse is 100/min and blood pressure is 85/50 mmHg. Pulse oximetry on room air shows an oxygen saturation of 92%. His peripheries are cold. An ECG shows deep symmetric T-wave inversion in the lateral leads. Which of the following is the most appropriate next step in management?