Heart disease is commonly considered something that strikes unexpectedly-- an acute pain in the upper body, a remarkable collapse, an ambulance experience to the emergency room. Yet the truth is, it seldom starts with fireworks. More frequently, it murmurs before it barks. Early symptoms can be subtle, obscure, and https://jeffreyqfex962718.bcbloggers.com/33334207/heart-trouble-s-earliest-warnings