During ablation, a catheter is fed into the heart through the groin area using a minimally invasive approach and delivers ...

The sinuses are lined with ciliated stratified columnar epithelium and are contiguous with the upper respiratory tract via the sinus ostia. Inflammation of the sinuses causes mucosal edema and ...

A gene present in about 1.6 percent of the general population places these persons at risk for a life-threatening heart rhythm disorder when they take the common antibiotic ...