Answer:
The consistent and ongoing increase in heart rate, and the elevated levels of stress hormones and of blood pressure, can take a toll on the body. This long-term ongoing stress can increase the risk for hypertension, heart attack or stroke.
In a self-diagnosis situation, self-monitoring can help you determine any symptoms or behaviors, so you can pass them on to a doctor. Many have no real idea of what their behaviors or triggers are. Self-monitoring can help you gather that information first before meeting with a professional.