home monitoring for angina

Overview

Angina is chest pain or discomfort that happens when your heart muscle doesn't get enough oxygen-rich blood. It is often a sign of coronary artery disease, where the blood vessels that feed your heart become narrowed or blocked.

Yes, angina is common. Millions of people around the world live with it, especially as they get older.

Angina most often affects adults over 50, but it can also happen in younger people, especially if they have risk factors like smoking, diabetes, or high blood pressure.

Symptoms

Common symptoms

• A feeling of pressure, squeezing, heaviness, or tightness in the chest, often behind the breastbone
• Pain that may spread to the arms, neck, jaw, shoulder, or back
• Shortness of breath
• Feeling sick (nausea) or sweaty
• Feeling tired or weak

Symptoms in older adults

• Older adults may have less typical symptoms, such as just feeling breathless, tired, or dizzy, rather than chest pain
• Pain may be more vague – like a dull ache or burning sensation

Causes

Main causes

• Narrowing or blockage of the coronary arteries (the blood vessels that supply your heart) due to a buildup of fatty deposits called plaque
• Other less common causes: a spasm of the coronary artery (variant angina), or a blood clot that partially blocks the artery

Risk factors

• Smoking or using tobacco
• High blood pressure (hypertension)
• High cholesterol

When to see a doctor

See a doctor urgently if:

• If you have chest pain that is new, especially if it happens with activity and goes away with rest – see a doctor the same day
• If your usual angina symptoms become more frequent, more severe, or last longer – contact your doctor or specialist team urgently

Book a routine appointment if:

• If you have been diagnosed with stable angina and your symptoms are well controlled, you should have regular check-ups with your doctor (usually every 6 to 12 months)
• If you need advice on how to monitor your symptoms at home, or if you have questions about your treatment plan

Diagnosis

Your doctor will start by asking about your symptoms, medical history, and risk factors. They may listen to your heart and check your pulse and blood pressure. If angina is suspected, you will be referred to a heart specialist (cardiologist) for further tests.

Tests that may be done

• Electrocardiogram (ECG or EKG) – a quick, painless test that records the electrical activity of your heart
• Blood tests – to check for heart damage, cholesterol, blood sugar, and other markers
• Exercise stress test – walking on a treadmill or riding a bike while your heart is monitored
• Coronary angiography – a special X-ray that looks at the blood flow in your coronary arteries

Treatment

Treatment for angina aims to relieve symptoms, slow the progression of the underlying disease, and reduce the risk of heart attack. It usually involves a combination of lifestyle changes, medications, and sometimes procedures.

Self-care at home

• Rest when you feel angina coming on – sit or lie down and stop what you are doing
• Use your prescribed 'as needed' medicine exactly as your doctor told you (usually a spray or tablet under the tongue)
• Avoid triggers that bring on your angina, such as heavy meals, extreme cold or heat, or intense exercise
• Keep a daily symptom diary and share it with your healthcare team

Living with this condition

Living with angina means learning to listen to your body. You can still do most normal activities, but you may need to pace yourself and avoid sudden bursts of heavy exertion. Keep your medicines with you, and always carry a list of emergency contacts. Many people find it helpful to have a written plan from their doctor about what to do if angina occurs.

Lifestyle tips

• Stop smoking – your doctor or local health service can help with nicotine replacement therapy or support programs
• Eat a heart-healthy diet – lots of fruits, vegetables, whole grains, lean proteins, and healthy fats; limit salt, sugar, and saturated fats
• Be physically active – aim for regular, gentle exercise such as walking, swimming, or cycling, but check with your doctor first about what is safe for you
• Manage stress – try relaxation techniques like deep breathing, meditation, or gentle yoga

Prevention

You cannot always prevent angina, because some risk factors like age and family history are beyond your control. But adopting a healthy lifestyle – not smoking, eating well, staying active, managing weight, blood pressure, and cholesterol – greatly lowers your chances of developing angina or making it worse.

Screening programmes

Routine check-ups with your doctor can help catch early signs of heart disease. Blood pressure and cholesterol checks are simple screening tests that can identify risk factors. If you have a strong family history of heart disease, your doctor may recommend earlier or more frequent screening.

Complications

If left untreated

• Unstable angina – where symptoms become more frequent, severe, and unpredictable, which can lead to a heart attack
• Heart attack (myocardial infarction) – when a blocked artery severely damages part of the heart muscle
• Heart failure – if the heart becomes too weak to pump blood effectively
• Irregular heart rhythms (arrhythmias) that can be serious
• Sudden cardiac arrest – a medical emergency where the heart stops beating properly

Long-term outlook

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