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.

Read more

Tachycardia

Tachycardia (if your heart beats very fast, more than 100 beats per minute) can be a normal response to exercise or stress or a sign of disease.

Read more

Cardiomyopathy

Cardiomyopathy is a condition that affects your heart muscle. Find out about the different types of cardiomyopathy, symptoms and treatments.

Read more

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.

Read more

Diuretic medicines

Find out what diuretic medicines ('fluid tablets') are used for, how they work, the most common diuretics, and how to manage side effects.

Read more

Brugada syndrome

Brugada syndrome is a genetic condition that causes problems with your heart rhythm. Find out here about the symptoms, causes and treatment.

Read more

Calcium channel blockers (CCB)

Calcium channel blockers (CCB) can treat angina, high blood pressure and some heart rhythm problems. Learn about how they work and their side effects.

Read more

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.

Read more

Vitamin B deficiency

Vitamin B deficiency can happen when you don’t get enough of the right nutrients. Learn about the symptoms of vitamin B deficiency.

Read more

Hyperthyroidism

Hyperthyroidism (thyrotoxicosis) is when the thyroid gland is overactive and produces too much thyroid hormone. Learn about symptoms and treatment.

Read more

Pericarditis

Pericarditis is the inflammation of the thin membrane around your heart. Read more about pericarditis symptoms, treatments and causes.

Read more

Heart attack

Here's how to recognise the symptoms of a heart attack. Act fast when you notice the warning signs of a heart attack - it could save a life.

Read more

Inserting a pacemaker

An abnormal heart rhythm can cause cardiac arrest and even death. Having a pacemaker inserted may save your life by preventing you from having a cardiac arrest.

Read more

Fainting

Fainting is a temporary loss of consciousness when the blood flow to the brain is reduced. See your doctor if you faint, especially the first time.

Read more

Collapsing

Collapsing has a range of causes, often occurring because of fainting. Find out about the causes of collapse and what to do if someone collapses.

Read more

Cardiac arrest

Cardiac arrest is when the heart stops beating, usually due to an electrical problem with the heart. Performing CPR and defibrillation in time can be lifesaving.

Read more

Rheumatic heart disease

Rheumatic heart disease is when your heart valves are damaged by rheumatic fever. Learn more about how this can be prevented and treated.

Read more

Wolff-Parkinson-White syndrome

Wolff-Parkinson-White syndrome (WPW) can cause episodes of fast heartbeat, or tachycardia. Learn more here about the symptoms and treatments for WPW.

Read more

Chest pain

Chest pain can be a symptom of a heart attack. Find out the common causes of chest pain, when to be concerned and what to do if you have chest pain.

Read more

Heart murmur

A heart murmur is an irregular sound heard when listening to the heart. Some heart murmurs are a sign of a heart condition, but others are not.

Read more

Autoimmune diseases — an overview

Autoimmune diseases occur when your immune system attacks your own body. Learn more about the diagnosis and treatment of these diseases.

Read more

Lightheadedness

Lightheadedness or feeling woozy is when you feel like fainting or passing out. Know when to see your doctor and how to manage lightheadedness.

Read more

Signs of mental health issues

Your mental health includes your emotional, psychological, and social well-being. Learn to recognise signs of a mental health issue.

Read more

Shortness of breath

Shortness of breath is when you feel like you can’t get enough air into your lungs. Find out what to do if you have difficulty breathing.

Read more

Adrenaline

Adrenaline (epinephrine) is a natural stress hormone. It is also a medicine used in an emergency for severe allergic reactions (anaphylaxis).

Read more

Should I be tested for heart disease?

Understanding heart disease risk can help you reduce your risk and protect your heart. Find out more about heart disease risk and heart disease tests.

Read more

Emphysema

Emphysema is a progressive lung disease often due to smoking, causing shortness of breath and coughing. Read about symptoms and treatments.

Read more

Thyroid problems

If your thyroid gland becomes overactive (hyperthyroidism) or underactive (hypothyroidism), you may experience a range of health problems.

Read more

Primary aldosteronism

Primary aldosteronism is a condition where you make too much of the hormone aldosterone — find out about the symptoms, causes and treatments.

Read more

Troponin blood test

Troponin blood tests can help work out if your heart muscle is damaged due to a heart attack. Read about troponin blood tests and when they are used.

Read more