Heart blockages occur when the arteries carrying blood to the heart start narrowing. The heart receives less oxygen than what is required. In the early stages, this reduced supply is mild and inconsistent, which is why symptoms can be inconsistent and hard to pinpoint. Do consult a doctor if you are experiencing the following symptoms: 1.       Fatigue 2.       Shortness of breath during activities that have not seemed difficult before. 3.       Pressure in the middle of the chest. In a landmark trial conducted by the researchers from NYU Grossman School of Medicine and Stanford University, they present some important findings related to heart blockages and their treatment. Background of the ISCHEMIA study Funded by the National Heart, Lung, and Blood Institute, the ISCHEMIA (International Study of Comparative Health Effectiveness with Medical and Invasive Approaches) trial studied patients with...