What is the first intervention for a client experiencing MI? Administer oxygen Administering supplemental oxygen to the client is the first priority of care. The myocardium is deprived of oxygen during an infarction, so additional oxygen is administered to assist in oxygenation and prevent further damage. Morphine and nitro are also used to treat MI, but they’re more commonly administered after the oxygen. An ECG is the most common diagnostic tool used to evaluate MI Question : A 60-year-old comes into the emergency department with crushing substernal chest pain that radiates to the shoulder and left arm. The admitting diagnosis is acute myocardial infarction (MI). Admission prescriptions include oxygen by nasal cannula at 4 L/min, complete blood count (CBC), a chest radiograph, a 12-lead electrocardiogram (ECG), and 2 mg of morphine sulfate given IV. The nurse should first: 1. Administer the morphine. 2. Obtain a 12-lead ECG. 3. Obtain the blood work. 4. Prescr
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