Have you ever gotten a test result that was supposed to be reassuring — and instead raised more questions than it answered? That happened recently with a patient in her 50s. She got her coronary calcium score back: zero. On paper, that’s the number everyone hopes for. Her doctor was ready to move forward with medication anyway, based on her other labs — and everyone, understandably, was a little thrown by the mismatch. A coronary calcium score looks for calcified (hardened) p