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  2. Premature heart beat - Wikipedia

    en.wikipedia.org/wiki/Premature_heart_beat

    Premature heart beats can be asymptomatic (the patient does not complain about anything). The subject may experience palpitations, a feeling of cardiac "pause". Taking (prolonged) pulse may result in a rhythm that seems irregular. Electrocardiography and laser Doppler imaging [3] allow to visualize premature heart beats. From their appearance ...

  3. Premature ventricular contraction - Wikipedia

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

    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. Women may be more aware of PVCs at the time of the menstrual period. [2]

  4. Arrhythmia - Wikipedia

    en.wikipedia.org/wiki/Arrhythmia

    Some types of arrhythmias have no symptoms. [1] Symptoms, when present, may include palpitations or feeling a pause between heartbeats. [1] In more serious cases, there may be lightheadedness, passing out, shortness of breath, chest pain, or decreased level of consciousness. [1]

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

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

    Patwa says that heart palpitations are tied to the heart's electrical conduction system, a network of muscle cells in the heart’s wall that control heartbeats’ rate and rhythm. “The heart ...

  6. Palpitations - Wikipedia

    en.wikipedia.org/wiki/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]

  7. 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.

  8. Atrial fibrillation - Wikipedia

    en.wikipedia.org/wiki/Atrial_fibrillation

    Other possible symptoms include congestive heart failure symptoms such as fatigue, shortness of breath, or swelling. Loss of consciousness can also occur on atrial fibrillations due to lack of oxygen and blood to the brain. The abnormal heart rhythm (arrhythmia) is sometimes only identified with the onset of a stroke or a transient ischemic ...

  9. Paroxysmal supraventricular tachycardia - Wikipedia

    en.wikipedia.org/wiki/Paroxysmal_supra...

    Symptoms: Palpitations, feeling lightheaded, increased heart rate, sweating, shortness of breath, chest pain [2] Usual onset: Starts and stops suddenly [3] Causes: Not known [3] Risk factors: Alcohol, caffeine, nicotine, psychological stress, Wolff-Parkinson-White syndrome [3] Diagnostic method: Electrocardiogram [3] Prevention: Catheter ...