You run a 12-lead ECG on a patient exhibiting chest pain. It reveals ST segment elevation in leads II, III, and aVF, with reciprocal in leads aVL and I. You suspect:

Which of the following is inserted into a lock shackle and struck with a maul or flat-head axe until the padlock shackles break?

A. Rambar B. Pick axe C. Halligan tool D. Duck-billed lock breaker

What does accessory muscle use suggest?

a. Normal respirations b. Respiratory arrest c. Respiratory distress d. Respiratory failure