February 2018 Monthly, Weekly and Daily Validated Holidays, Calendar, and Observances.
When to see a doctor. Arrhythmias may cause you to feel premature or extra heartbeats, or you may feel that your heart is racing or beating too slowly. Other signs and symptoms may be related to your heart not pumping effectively due to the fast or slow heartbeat. These include shortness of breath, weakness, dizziness, lightheadedness, fainting or near fainting, and chest pain or discomfort.
Symptoms of Rapid Heartbeat: 1  You may have no symptoms of your rapid heartbeat, or you may feel palpitations. 2  You may feel anxious, or stressed out. 3  You may feel your heart pounding in your chest or throat, which may cause pain or mild discomfort. 4  If you have anemia, you may be overly tired, or very weak.