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  2. Premature ventricular contraction - Wikipedia

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

    Premature ventricular contractions may be associated with underlying heart disease, and certain characteristics are therefore elicited routinely: the presence of signs of heart disease or a known history of heart disease (e.g. previous myocardial infarction), as well as heart disease or sudden cardiac death in close relatives.

  3. Ectopic beat - Wikipedia

    en.wikipedia.org/wiki/Ectopic_beat

    An ectopic beat can be further classified as either a premature ventricular contraction (PVC), or a premature atrial contraction (PAC). [1] Some patients describe this experience as a "flip" or a "jolt" in the chest, or a "heart hiccup", while others report dropped or missed beats.

  4. Premature heart beat - Wikipedia

    en.wikipedia.org/wiki/Premature_heart_beat

    A premature heart beat or extrasystole [1] is a heart rhythm disorder corresponding to a premature contraction of one of the chambers of the heart. Premature heart beats come in two different types: premature atrial contractions and premature ventricular contractions. Often they cause no symptoms but may present with fluttering in the chest or ...

  5. Wikipedia:Osmosis/Ventricular tachycardia - Wikipedia

    en.wikipedia.org/.../Ventricular_tachycardia

    If this happens, a person can have symptoms of not having enough perfusion to their tissues like chest pain, fainting, dizziness, or shortness of breath—it can even cause sudden death. Now there are essentially two ways an electrical signal can start in a ventricle, either the signal’s focal, or it’s reentrant.

  6. Palpitations - Wikipedia

    en.wikipedia.org/wiki/Palpitations

    The cardiac etiologies of palpitations are the most life-threatening and include ventricular sources (premature ventricular contractions (PVC), ventricular tachycardia and ventricular fibrillation), atrial sources (atrial fibrillation, atrial flutter) high output states (anemia, AV fistula, Paget's disease of bone or pregnancy), structural ...

  7. Heart rate turbulence - Wikipedia

    en.wikipedia.org/wiki/Heart_rate_turbulence

    The compensatory constriction of the arteries and increased heart rate can cause blood pressure to overshoot normal values, triggering the opposite baroreflex. This time, the brain increases parasympathetic signalling and decreases sympathetic signalling, causing a decrease in heart rate (the turbulence slope part of HRT).

  8. An alarming number of adults in the U.S. are at risk of heart ...

    www.aol.com/news/surprisingly-high-number-adults...

    Just more than a quarter of the group — people listed as stage 1 — were at increased risk of developing heart disease because of being obese or overweight, having excess belly fat and fat ...

  9. Arrhythmia - Wikipedia

    en.wikipedia.org/wiki/Arrhythmia

    PVCs that occur at intervals of 2 normal beats to 1 PVC, or 1 normal beat to 2 PVCs, are termed "PVCs in trigeminy" [13] Groups of three premature ventricular beats are called triplets and are considered a brief run of non-sustained ventricular tachycardia (NSVT); if the grouping lasts for more than 30 seconds, it is considered sustained ...

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