Stress tests show abnormal results in 25 to 40 percent of people without real heart disease. Both stress tests and symptoms typically don't appear until an artery is 70 percent blocked. CCTA scans can visualize vessel walls directly and may catch disease earlier.
So when it causes a blockage, we get symptoms, chest pain, angina, flunk a stress test, but that does not occur till we already have a 70% blockage. We will not have symptoms, chest pain, angina, flunk a stress test till we already have a 70% blockage. So when it causes a blockage, we get symptoms, chest pain, angina, flunk a stress test, but that does not occur till we already have a 70% blockage. We can see what's happening in the wall of the vessel. And even, you know, again, with a stress test, you gotta have a 70% blockage before it becomes abnormal. Plus, when we do stress tests, there's about a 25% to 40% false positive rate where the stress test looks funky.
