Heart palpitations
When you have palpitations you are suddenly aware of your heartbeat. Read about the causes, related symptoms and what to do if you have palpitations.
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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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Hyperthyroidism
Hyperthyroidism (or thyrotoxicosis) occurs when the thyroid gland is overactive and produces too much thyroid hormone.
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Long COVID and post-COVID symptoms
While most people fully recover from having COVID-19, others have found it can take longer to get back to normal. Read more about post-COVID symptoms and 'long COVID' here.
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Cardiomyopathy
Cardiomyopathy affects your heart muscle so it can’t pump properly. It can be inherited (hereditary) or caused by viruses, drugs or other heart diseases. Discover how to prevent and manage it.
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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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External cardioversion
An external cardioversion is a procedure to treat an abnormal heart rhythm. It involves connecting you to a defibrillator machine that gives a controlled electric shock to make your heart beat normally again.
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Calcium channel blockers (CCB)
Find out what the most common types of calcium channel blockers are used for, how they work and any side effects associated with taking them.
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Quick read: Recovering from COVID
The time it takes to overcome COVID can vary. Find out what to expect while recovering and when you can return to normal activities.
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Tachycardia
Tachycardia (if your heart beats faster than usual, more than 100 beats per minute) can be a normal response to exercise or stress or a sign of disease
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