Which diagnosis corresponds to ST-segment elevations in the inferior leads II, III, and aVF and what is the immediate action?

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Multiple Choice

Which diagnosis corresponds to ST-segment elevations in the inferior leads II, III, and aVF and what is the immediate action?

Explanation:
Inferior wall STEMI is indicated by ST-segment elevations in II, III, and aVF, usually from occlusion of the right coronary artery. The immediate action is to activate the cath lab for reperfusion because rapid revascularization with PCI improves survival and minimizes heart muscle damage. Nitrates are not the primary step here since inferior MIs can involve the right ventricle, and reducing preload with nitrates can worsen hypotension. Observation isn’t appropriate for a STEMI, and anterior STEMI would present with ST elevations in the precordial leads, not inferior leads.

Inferior wall STEMI is indicated by ST-segment elevations in II, III, and aVF, usually from occlusion of the right coronary artery. The immediate action is to activate the cath lab for reperfusion because rapid revascularization with PCI improves survival and minimizes heart muscle damage. Nitrates are not the primary step here since inferior MIs can involve the right ventricle, and reducing preload with nitrates can worsen hypotension. Observation isn’t appropriate for a STEMI, and anterior STEMI would present with ST elevations in the precordial leads, not inferior leads.

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