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.
Sometimes your symptoms may get worse very quickly. This is called sudden heart failure. It causes fluid to build up in your lungs, causing congestion. (This is why the problem is often called congestive heart failure .) Symptoms may include: 1  Severe shortness of breath.2  An irregular or fast heartbeat. 3  Coughing up foamy, pink mucus.his is called sudden heart failure. It causes fluid to build up in your lungs, causing congestion. (This is why the problem is often called congestive heart failure .) Symptoms may include: 1  Severe shortness of breath. 2  An irregular or fast heartbeat.