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

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

   Both cardiologists say that there are many causes of heart palpitations, which include physical exertion, stress, anxiety, pregnancy, caffeine, alcohol use, drug use, fever, an overactive thyroid ...

3. Palpitations - Wikipedia

   en.wikipedia.org/wiki/Palpitations

   Palpitation that is caused by heart muscle defects will require specialist examination and assessment. Palpitation that is caused by a stimulation of the vagus nerve rarely involves physical defects of the heart. Such palpitations are extra-cardiac in nature, that is, palpitation originating from outside the heart itself.

4. What Causes Panic Disorder? Risk Factors, Treatment & More - AOL

   www.aol.com/causes-panic-disorder-risk-factors...

   Heart palpitations. Stomach pain. ... For instance, angina is a heart condition that can cause symptoms like chest pain, shortness of breath, and sweating. ... (post-traumatic stress disorder).

5. Premature ventricular contraction - Wikipedia

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

   Although there are many possible symptoms associated with PVCs, PVCs may also have no symptoms at all. PVCs may be perceived as a skipped heart beat, a strong beat, palpitations, or lightheadedness. They may also cause chest pain, a faint feeling, fatigue, or hyperventilation after exercise. [2] Symptoms may be more pronounced at times of stress.

6. The One Thing You Should Never, Ever Do if You Have Heart ...

   www.aol.com/one-thing-never-ever-heart-102500060...

   "Heart palpitations may lead to fainting or dizziness which, even if it is caused by a benign underlying condition, can still lead to life-threatening trauma such as head trauma and internal ...

7. 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 ...

8. 9 Weird Symptoms Cardiologists Say You Should Never Ignore

   www.aol.com/lifestyle/9-weird-symptoms...

   People who have experienced heart palpitations describe their symptoms in interesting and wide-ranging ways, says Dr. Edo Paz, a cardiologist at White Plains Hospital in New York and senior vice ...

9. Arrhythmia - Wikipedia

   en.wikipedia.org/wiki/Arrhythmia

   Increased heart rate is a normal response to physical exercise or emotional stress. This is mediated by the sympathetic nervous system on the sinus node and called sinus tachycardia. Other conditions that increase sympathetic nervous system activity in the heart include ingested or injected substances, such as caffeine or amphetamines , and an ...