A 59-year-old woman develops sharp central chest pain two days after an uncomplicated ST-elevation myocardial infarction. She says it is worse when she takes a deep breath or lies flat and improves when she sits forward; the ECG now shows widespread ST-segment elevation with PR-segment depression rather than changes confined to the infarct territory. Which one of the following is the most appropriate treatment?

Keep going with ten more like this one.

Practise more
See all