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.
The following symptoms are typical with a rate of 150â270 or more beats per minute: Pounding heart; Shortness of breath; Chest pain; Rapid breathing; Dizziness; Loss of consciousness (in only the most serious cases) For infants and toddlers, symptoms of heart arrhythmias such as SVT are more difficult to assess because of limited ability to communicate.