OPD7291: What is the inpatient diagnosis related to the chest pain?

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The main idea here is using troponin to identify myocardial injury in chest pain. Troponin rises when heart muscle cells are damaged, so a chest pain syndrome with a rising troponin level points to a myocardial infarction that does not show ST elevations on ECG—an NSTEMI. The progressive rise indicates ongoing injury, which is exactly what defines non–ST-elevation myocardial infarction in the acute coronary syndrome spectrum.

Stable angina wouldn’t show troponin elevation because there’s no active heart muscle necrosis during the pain episode. Pulmonary embolism can cause chest pain and sometimes troponin elevations, but in this scenario the pattern described is most consistent with NSTEMI rather than PE. Atrial fibrillation might cause chest discomfort or rapid pulse, but it isn’t defined by a progressive troponin rise indicating myocardial infarction.

So, the best inpatient diagnosis for chest pain with progressive troponin elevation is NSTEMI.