Last question answer - Negative tumor margin, Diagnosis - Adenoid cystic carcinoma.

A 73-year old male patient with a history of hypertension and hyperlipidemia presents to the emergency department with a one-week history of intermittent periods of shortness of breath while resting and sudden onset of non-pleuritic, non-reproducible chest pain this morning. His heart rate is 112 bpm, respiratory rate is 20 breaths per minute, SpO2 is 91%, and current blood pressure is 152/97 mm Hg. His ECG reveals ST-segment elevations in leads II, III, and aVF. He is given oxygen via a nasal cannula and which increases his SpO2 to 98%. He is also given 325 mg of aspirin and IV morphine for pain management. What is the specific mechanism of action of the medication that should be given in this patient?

1. Decrease heart rate
2.Decrease afterload
3.Decrease preload
4.Decrease contractility

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