I want to know the answer to the following question:
What does ischemia refer too?
All the background I'm provided with is that "Levine's sign, in which a person localizes the chest pain by clenching their fists over their sternum, has classically been thought to be predictive of cardiac chest pain, although a prospective observational study showed it had a poor positive predictive value.". Is that enough to answer the question?
Answer: no