In many ways, the fact that my cardiac treadmill stress test results appeared “normal” was not a surprise, despite my textbook heart attack symptoms of crushing chest pain, nausea, sweating and pain radiating down my left arm. What we now know is that single-vessel heart disease, which is more common in women than in men, may be less likely to be picked up at all on a treadmill test.
Even though my left anterior descending coronary artery was 95% blocked, this didn’t show up. Similarly, for other women non-obstructive heart disease (again, more common in women) is harder to identify given our existing diagnostics. Women are more likely to suffer from coronary microvascular disease affecting the smallest blood vessels of the heart. And spasm conditions like Prinzmetal’s variant angina are difficult to catch at the best of times, but women can be just as dead after a heart attack caused by undiagnosed Prinzmetal’s as they would be due to fully-occluded coronary arteries. Continue reading “How a woman’s heart is different from a man’s”