Background A 29-year-old woman presented with chest pressure, progressive dyspnea, fatigue, and swelling of her face, neck and upper extremities. Four days earlier, she had undergone a procedure ...

investigated whether advanced ultrasound imaging analyses, specifically global longitudinal strain (GLS), could provide additional prognostic information. "We wanted to see if GLS could be a ...

Russia has the world's largest nuclear arsenal, but it's having trouble getting its newest intercontinental ballistic missile to work. The debacle leaves it dependent on capable but inferior ...