Heart Attack
From what you see on TV, heart attacks seem like they would be easy to spot, but that’s not always the case. According to AARP, the sometimes-mild symptoms of chest pain, shortness of breath, cold sweat, and dizziness—as well as less common symptoms like pain in the back and jaw and vomiting—can make doctors confuse a heart attack with heartburn, a gallbladder infection, or a pulmonary embolism.