[5] an effect which may in part be due to direct stimulation of cardiac myocytes or central and humoral activation. The effect of caffeine is more pronounced in subjects who do not drink coffee ...

Intracellular calcium within the cardiac myocytes is increased by digoxin, resulting in increased inotropy, or contractility. Digoxin toxicity causes hyperkalemia, or high potassium. The sodium ...

The enzymes troponin I and troponin T are normal proteins that are important in the contractile apparatus of the cardiac myocyte. The proteins are released into the circulation between 3 and 4 ...

Researchers attempted to ascertain the relationship between vitamin D levels in athletes and the structural and functional ...

This study shows that poor oral health — particularly gum infections caused by Porphyromonas gingivalis — could make heart ...