There's a new public art project here in Los Angeles that can be seen for miles around. It's a cluster of empty, unfinished skyscrapers in downtown that have been emblazoned by graffiti artists.

Older age is a major risk factor for atrial and ventricular arrhythmias, low fitness level appears to raise high atrial ...

Hypokalemia and even low-normal plasma potassium levels increase the risk of ventricular arrhythmias among patients with cardiovascular disease. An assessment of a strategy of actively increasing ...

Targeting high-normal potassium levels reduced the risk of arrhythmias, hospitalization for heart failure or arrhythmia and death compared with no intervention, according to late-breaking research ...