You must be at least 17 years old to donate to the general blood supply, or 16 years old with parental/guardian consent, if allowed by state law. Learn more about the reasons for a lower age limit.
Other Causes of Elevated Heart Rate. Elevated heart rate when sick is actually your heartâs aid in order to quell the sickness. However, there can be other causes for elevated heart rate as well. Electrical signals produced and sent to the heart tissues are responsible for controlling the heart rate.
If you have panic attacks-your heart may beat faster even when you are resting or sleeping. Panic attacks have serious complications. They predispose you to developing heart disease. They can lead to depression, suicidal thoughts, alcohol and drug abuse, to mention a few. have already scheduled an appointment with a doctor about this, but i would really like to hear what others have to say. Sometimes when i am doing absolutely nothing like watching TV, napping, sleeping, or just sitting down. I can feel my heart start beating really hard and sometimes really fast as well.