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  2. Premature ventricular contraction - Wikipedia

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

    If PVCs are suppressed by exercise, this is an encouraging finding. [citation needed] On electrocardiography (ECG or Holter) premature ventricular contractions have a specific appearance of the QRS complexes and T waves, which are different from normal readings. By definition, a PVC occurs earlier than the regular normally conducted beat.

  3. Roemheld syndrome - Wikipedia

    en.wikipedia.org/wiki/Roemheld_syndrome

    This can actually trigger a heart attack in people with cardiac structural abnormalities i.e. coronary bridge, missing coronary, and atherosclerosis. If the heart rate drops too low for too long, catecholamines are released to counteract any lowering of blood pressure.

  4. Premature heart beat - Wikipedia

    en.wikipedia.org/wiki/Premature_heart_beat

    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 a skipped beat. They typically have no long term complications. They most often happen naturally but may be associated with caffeine, nicotine, or ...

  5. Dizziness vs. vertigo: What the difference is and why ... - AOL

    www.aol.com/dizziness-vs-vertigo-difference-why...

    What causes vertigo and dizziness? “Dizziness is generally a more neurological cause or a potential cardiac cause. For example, it could be a blood flow issue or stenosis of a carotid artery ...

  6. Dizziness Is Yet Another Way Stress Can Mess With Your Body - AOL

    www.aol.com/dizziness-yet-another-way-stress...

    Dizziness can be brought on by issues inside and outside of the brain. Here are all the possible triggers and what you can do about them, according to a doctor. Dizziness Is Yet Another Way Stress ...

  7. List of herbs with known adverse effects - Wikipedia

    en.wikipedia.org/wiki/List_of_herbs_with_known...

    Heart palpitations and arrhythmias, hypotension, nausea, vomiting, abdominal pain, respiratory system paralysis, death [4] [5] Aloe vera juice medicinal aloe Aloe vera "abdominal pain, diarrhea, potentially carcinogenic, with others can potentiate cardiac glycosides and antiarrhythmic agents" [3] Anthranoid laxatives

  8. Left axis deviation - Wikipedia

    en.wikipedia.org/wiki/Left_axis_deviation

    Left axis deviation symptoms depend on the underlying cause. [5] For example, if left ventricular hypertrophy is the cause of LAD, symptoms can include shortness of breath, fatigue, chest pain (especially with exercise), palpitations, dizziness, or fainting. [6]

  9. Digoxin toxicity - Wikipedia

    en.wikipedia.org/wiki/Digoxin_toxicity

    Activated charcoal may be used if it can be given within two hours of the person taking the medication. [1] Atropine may be used if the heart rate is slow while magnesium sulfate may be used in those with premature ventricular contractions. [2] Treatment of severe toxicity is with digoxin-specific antibody fragments. [1]