2 normal nuc stress tests in 4 years and normal echo and angiogram last year. still get upper left chest aches when stressed. possibilities?

Muscle pain or spasm: if the previous test results are normal and rule out blockages in the coronary ( heart) arteries, then there are several possibilities. A spasm could affect coronary arteries when a person Is stressed resulting in symptoms. The condition is called Prinzmetal's angina. A muscle spasm can also occur with stress as body tenses up. Consider concierge consult to look into it more and get answers.