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.
Elevated heart rate when sick can be worrisome, as people donât know the answers to questions like âdoes heart rate increase when sickâ. Letâs investigate these questions to understand when elevated heart rate isnât an issue and when you should be worried by increased heartbeat.