In a new study, researchers report that a class of heart medications called beta-blockers can have a helpful, or harmful, effect on the heart, depending on their molecular activity.
The study, which appears in the journal Circulation Research, found that beta-blockers that target both the alpha- and beta-receptors on the heart muscle offer the most benefit [...]

Patients with cirrhosis are at risk for developing portal hypertension that can lead to the formation, dilation, and rupture of esophageal varices. The annual incidence of esophageal varices is approximately 5% and one third of those will bleed.