Ejection fraction refers to how much blood the heart pumps out during a contraction. An abnormal ejection fraction can be a sign of heart failure. Some people might need treatment to improve their ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

Background: The aim of the present study was to evaluate gallbladder function in irritable bowel syndrome (IBS) patients. Methods: The functions of gallbladder were investigated every 30 min for 4 h.