Resting heart rate

Resting heart rate is the number of times your heart beats per minute when you are at rest. Learn why it’s an important sign of your heart health and how to check it.

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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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How to monitor COVID-19 symptoms

If you’re able to manage your COVID-19 at home, you might be asked to follow a management plan. Learn how to check your breathing rate, oxygen levels and heart rate.

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Tachycardia

Tachycardia is a condition where the heart beats at a faster rate than normal (usually more than 100 beats per minute).

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Heart arrhythmias

Heart arrhythmias are irregular heartbeats. The heart can beat too fast, too slow or irregularly — learn how to recognise the symptoms here.

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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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Heart murmur

Heart murmurs are extra sounds made by the heart. Some heart murmurs are serious, some are not — here's what you need to know.

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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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Pacemaker

Has your doctor recommended you to have a pacemaker? Find out what it is, who needs it and things to consider before and after the surgery.

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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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Heart palpitations

If you become suddenly aware of your heartbeat, especially if it's faster or harder, you could be having palpitations. Learn how to spot the signs and the causes of heart palpitations.

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Hyperthyroidism

Hyperthyroidism (sometimes called thyrotoxicosis) occurs when the thyroid gland is overactive. Learn more about hyperthyroidism, including the common signs and symptoms, and treatment options.

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Complications of thyroid problems

Thyroid problems can lead to many complications – like heart failure, nerve damage or infertility. Learn about the consequences of not treating these problems.

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Endocrine glands and their hormones

The hormone system is the way in which one part of the body tells another part of the body to do something important. Find out more about different parts of the hormonal system.

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Hypothyroidism

Hypothyroidism occurs when the thyroid gland does not make enough thyroid hormone. Learn about the symptoms, how it's diagnosed and treatment options.

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How to start exercising

You don’t have to exercise to the point of collapse to get health benefits. This article shows you how simple it can be to get active.

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Atrial fibrillation

Atrial fibrillation (when part of the heart ‘quivers’ rather than beating normally) could lead to a stroke. Know the symptoms and decrease your risk.

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Pesticides

Pesticides are used to prevent, destroy, or reduce the spread of pests. It is important that pesticides are only used when necessary, and in accordance with the directions on the label.

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Thyroid problems

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

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Speed

Speed is a drug that can become addictive and lead to health, social and financial problems. Find out about its effects and associated risks.

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Ketamine

Ketamine is a drug used by doctors and vets, however it can be used illegally to get high. Find out more about ketamine effects and the danger of long term abuse.

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G6PD deficiency

G6PD deficiency, sometimes called 'favism', is a genetic disorder that causes red blood cells to break down when exposed to triggers. People with G6PD deficiency can live a healthy life.

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Thyroid function tests

Thyroid function tests are used to check for a number of thyroid problems. The tests usually include thyroid stimulating hormones (THSs) T4 and T3.

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Thyroid gland

The thyroid is a soft bow-shaped gland which sits in the front of the neck, just below the Adam’s apple. Learn more about what they do and medical conditions related to them.

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Hypothermia

If you are exposed to prolonged cold conditions, whether outdoors or in an unheated house, you may get hypothermia. Learn more about its symptoms and how to prevent it.

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Graves' disease

This condition causes the thyroid gland in the neck to produce too much thyroid hormone, and can eventually lead to goitre and bulging eyes.

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Guillain-Barre syndrome

Guillain-Barre Syndrome is an autoimmune disease that causes weakness, numbness or paralysis. Learn more about its symptoms and diagnosis.

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Claustrophobia

People with claustrophobia feel anxious and panic in an enclosed space. The physical and mental symptoms can be overwhelming and can include heart palpitations, dizziness or a fear of losing control.

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Aortic dissection

Aortic dissection is a rare but serious condition where there is a tear in the innermost wall of the aorta — the largest artery in the body.

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Bacterial infections

Bacterial infections can affect the throat, the lungs, the skin, the bowel and many others parts of your body. They can be can be highly contagious. This page explains how to avoid spreading infections.

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