What most naturally follows?

How to treat nstemi
Call emergency services for symptoms of a heart attack.
Signs of a heart attack include chest pain or discomfort; pain or numbness in the arms, neck, back, or jaw; shortness of breath; and dizziness. Symptoms can be subtle, but if you suspect you're having a heart attack, seeking immediate medical attention is essential.
Pain in the middle of your chest, or angina, may come and go. It may feel like squeezing or uncomfortable pressure.