ReMar Nurse V2 Practice Exam

In the context of managing a suspected myocardial infarction (MI), the anticipated administration of oxygen, nitroglycerin, aspirin, and morphine is critical for several reasons that embody the emergency response to this life-threatening event.

Oxygen is administered to enhance oxygen delivery to myocardial tissue, particularly since cardiac muscle is highly sensitive to oxygen deprivation. In the case of an MI, the heart muscle may not be receiving adequate blood flow due to the blockage of a coronary artery, making supplemental oxygen vital to prevent further ischemic damage.

Nitroglycerin, a vasodilator, plays a crucial role by dilating coronary arteries, which can improve blood flow to the heart muscle and alleviate chest pain associated with angina or MI. It can also reduce myocardial oxygen demand by decreasing preload and afterload, thus being beneficial during an MI.

Aspirin is an essential medication in the acute management of a myocardial infarction. It acts as an antiplatelet agent, inhibiting platelet aggregation and significantly reducing the risk of further clot formation, which can enhance survival and improve outcomes for the patient experiencing an MI.

Morphine is utilized primarily for pain relief and can also provide some additional anxiety relief. Its analgesic properties are important in managing the intense chest pain