what cause a weak heart
1 doctor weighed in: What causes a weak heart? 1 doctor weighed in Want a second opinion? Weakening of the heart can have a multitude of causes. Blocked arteries, high blood pressure, viral infection, really need to sit with your physician to discuss not only causes but treatment. In brief: Many cause. Weakening of the heart can have a multitude of causes. Blocked arteries, high blood pressure, viral infection, really need to sit with your physician to discuss not only causes but treatment.