As far as the U.S. release of the Lumia 940 as well as the Lumia 940 XL is concerned, rumors have it that AT&T may start selling them from the first or second week of November, Nokia Power User (NPU) reported. T-Mobile is rumored to only sell the Lumia 940 handset.
Heart or blood vessel problems that can cause chest pain: Angina or a heart attack: The most common symptom is chest pain that may feel like tightness, heavy pressure, squeezing, or crushing pain. The pain may spread to the arm, shoulder, jaw, or back.
Chest pain may also be caused by problems in your lungs, esophagus, muscles, ribs, or nerves, for example. Some of these conditions are serious and life threatening. Others are not. If you have unexplained chest pain, the only way to confirm its cause is to have a doctor evaluate you.lthough not the only cause of chest pain, these heart problems are common causes: Coronary Artery Disease, or CAD. A blockage in the heart blood vessels that reduces blood flow and oxygen to the heart muscle itself.