Heart arrhythmias
A heart arrhythmia is an irregular heartbeat. Your heart can beat too fast, too slow or irregularly. Learn how to recognise the symptoms here.
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Long QT syndrome
Long QT syndrome (LQTS) is a disorder of the heart's electrical system that can cause fast, chaotic heartbeats, called arrhythmias.
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Brugada syndrome
Brugada syndrome can disrupt your heart rhythm, causing palpitations, fainting or in serious cases, cardiac arrest. Read about symptoms and treatment.
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Wolff-Parkinson-White syndrome
Wolff-Parkinson-White syndrome is a possible cause of tachychardia (occasional or frequent episodes of very fast heartbeats). Learn more here.
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Beta blockers
Beta blockers are medicines used to treat some heart conditions. Learn about potential risks, benefits and how they work.
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Implantable cardioverter defibrillators
An ICD, sometimes called an ACID (automated implantable cardioverter defibrillator), may be needed if you have an abnormally fast or irregular heartbeat.
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Pacemaker
A pacemaker is a medical device put in the chest to correct heart problems, such as irregular heartbeat or heart muscle problems.
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Atrial fibrillation
Atrial fibrillation (AF or Afib) is a heart rhythm problem that can increase your risk of stroke. Find out about the symptoms and treatment for AFib.
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Bradycardia
Bradycardia is a slower than normal heart rate, which can lead to a range of symptoms such as feeling faint, tired or short of breath.
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Potassium deficiency
Potassium is a mineral that helps nerves and muscles function properly. Read more about potassium deficiency, symptoms, diagnosis and causes.
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