Low heart rate variability in depressed patients contributes to high mortality after heart attack | The Source | Washington University in St. Louis
Abnormal heart rate variability increases the risk of death for depressed heart patients.Scientists have known for years that depression increases the risk of dying in the months after a heart attack, but they haven't understood how depression raises that risk. Now, behavioral medicine specialists at Washington University School of Medicine in St. Louis are reporting in the Archives of Internal Medicine that abnormal heart rate variability is partially responsible for depression's effects in heart patients.