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2. Palpitations - Wikipedia

   en.wikipedia.org/wiki/Palpitations

   Palpitation can be associated with anxiety and does not necessarily indicate a structural or functional abnormality of the heart, but it can be a symptom arising from an objectively rapid or irregular heartbeat. Palpitation can be intermittent and of variable frequency and duration, or continuous.

3. Irregular heartbeat types, symptoms and causes - AOL

   www.aol.com/news/irregular-heartbeat-signs...

   Don't panic, symptoms can be caused by stress, and most people who do have abnormal heart rhythms are able to live normal lives, but here's what to be aware of. Irregular heartbeat types, symptoms ...

4. Heart attacks, panic attacks, and how to tell the difference

   www.aol.com/lifestyle/heart-attacks-panic...

   It happens when someone experiences a sudden intense stressor that causes abrupt changes in the heart and weakens the heart muscle. “It can occur after a traumatic event, like the loss of a ...

5. Your resting heart rate can tell you a lot about your health ...

   www.aol.com/finance/resting-heart-rate-tell-lot...

   Those are times to seek out help because it may not be a reflection of your resting heart rate, but an abnormal heart rhythm that should get evaluated.” Having a pulse over 100 bpm is called ...

6. Panic attack - Wikipedia

   en.wikipedia.org/wiki/Panic_attack

   During a panic attack, the body's stress response is triggered which can cause the small vessels of the heart to tighten, leading to chest pain. The body's nervous system and rapid breathing during a panic attack can cause spasming of the arteries of the heart (also known as vasospasm). This can reduce blood flow to the heart, causing damage to ...

7. Syncope (medicine) - Wikipedia

   en.wikipedia.org/wiki/Syncope_(medicine)

   The most common cause of cardiac syncope is cardiac arrhythmia (abnormal heart rhythm) wherein the heart beats too slowly, too rapidly, or too irregularly to pump enough blood to the brain. [9] Some arrhythmias can be life-threatening. [9] Two major groups of arrhythmias are bradycardia and tachycardia. Bradycardia can be caused by heart blocks.

8. What You Need to Know About Abnormal Heart Rhythm - AOL

   www.aol.com/lifestyle/know-abnormal-heart-rhythm...

   An abnormal heart rhythm, also called an arrhythmia, is when your heart beats too fast, too slow, or irregularly. Here’s everything you need to know.

9. Panic disorder - Wikipedia

   en.wikipedia.org/wiki/Panic_disorder

   Panic disorder is a mental and behavioral disorder, [5] specifically an anxiety disorder characterized by reoccurring unexpected panic attacks. [1] Panic attacks are sudden periods of intense fear that may include palpitations, sweating, shaking, shortness of breath, numbness, or a feeling that something terrible is going to happen.