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2. Palpitations - Wikipedia

   en.wikipedia.org/wiki/Palpitations

   Palpitations. Palpitations are perceived abnormalities of the heartbeat characterized by awareness of cardiac muscle contractions in the chest, which is further characterized by the hard, fast and/or irregular beatings of the heart. [1] Symptoms include a rapid pulsation, an abnormally rapid or irregular beating of the heart. [1]

3. Can Dehydration Cause Heart Palpitations and Racing ... - AOL

   www.aol.com/dehydration-cause-heart-palpitations...

   Electrolyte imbalances from dehydration can also trigger heart palpitations. Electrolytes in the bloodstream, like sodium and potassium, are charged minerals that serve many functions, including ...

4. When Should You See a Doctor About Heart Palpitations ... - AOL

   www.aol.com/lifestyle/see-doctor-heart...

   Both cardiologists say that heart palpitations don’t always require treatment. Additionally, since there are a wide range of causes, there isn’t just one form of treatment.

5. What's the Difference Between Atrial Flutter and Atrial ...

   www.aol.com/lifestyle/whats-difference-between-a...

   Both conditions cause similar symptoms, such as heart palpitations, shortness of breath, and anxiety. Treatments like medications, lifestyle changes, and procedures can improve symptoms and lower ...

6. Atrial fibrillation - Wikipedia

   en.wikipedia.org/wiki/Atrial_fibrillation

   Atrial fibrillation (AF, AFib or A-fib) is an abnormal heart rhythm (arrhythmia) characterized by rapid and irregular beating of the atrial chambers of the heart. [11][12] It often begins as short periods of abnormal beating, which become longer or continuous over time. [4] It may also start as other forms of arrhythmia such as atrial flutter ...

7. Premature ventricular contraction - Wikipedia

   en.wikipedia.org/wiki/Premature_ventricular...

   Cardiology. A premature ventricular contraction (PVC) is a common event where the heartbeat is initiated by Purkinje fibers in the ventricles rather than by the sinoatrial node. PVCs may cause no symptoms or may be perceived as a "skipped beat" or felt as palpitations in the chest. PVCs do not usually pose any danger.

8. What To Know about Arrhythmogenic Right Ventricular ... - AOL

   www.aol.com/lifestyle/know-arrhythmogenic...

   Symptoms of ARVC include heart palpitations, lightheadedness, fainting, and shortness of breath. Generally, symptoms in the early stages tend to be mild, whereas symptoms in the later stages can ...

9. Arrhythmia - Wikipedia

   en.wikipedia.org/wiki/Arrhythmia

   See media help. Arrhythmias, also known as cardiac arrhythmias, are irregularities in the heartbeat, including when it is too fast or too slow. [2] A resting heart rate that is too fast – above 100 beats per minute in adults – is called tachycardia, and a resting heart rate that is too slow – below 60 beats per minute – is called ...