Keeping your cardiovascular system healthy

Overview

Your cardiovascular system includes your heart and blood vessels. Keeping it healthy means taking steps to prevent heart disease and stroke. It involves eating well, staying active, and managing health conditions like high blood pressure.

Yes, many people have risk factors for heart disease, such as high blood pressure, high cholesterol, or being overweight. These are very common, especially as we age.

People of all ages can be at risk, but the risk increases with age. It affects both men and women, and certain ethnic groups may have higher risk.

Symptoms

Common symptoms

• Shortness of breath during activity or at rest
• Chest pain or discomfort (pressure, squeezing, or fullness)
• Fatigue or feeling unusually tired
• Swelling in the legs, ankles, or feet

Symptoms in children

• Rapid breathing or difficulty feeding in infants
• Bluish skin color around the lips or nails (cyanosis)
• Chest pain or fainting during exercise in older children

Symptoms in older adults

• Dizziness or lightheadedness
• Confusion or memory problems
• Fatigue with minimal activity
• Shortness of breath that gets worse

Causes

Main causes

• High blood pressure (hypertension)
• High cholesterol (especially LDL or 'bad' cholesterol)
• Smoking or tobacco use
• Diabetes or prediabetes
• Obesity or being overweight
• Unhealthy diet high in salt, sugar, and unhealthy fats

Risk factors

• Family history of heart disease or stroke
• Lack of regular physical activity
• Chronic stress or anxiety
• Excessive alcohol consumption
• Age (risk increases after 45 for men and 55 for women)

When to see a doctor

See a doctor urgently if:

• If you experience chest pain or severe shortness of breath, call your local emergency number immediately.
• If you faint or feel like you might faint, seek urgent care.

Book a routine appointment if:

• If you have a family history of heart disease
• If you have high blood pressure, diabetes, or high cholesterol
• For regular checkups even if you feel well — at least once a year for adults

Diagnosis

A doctor will review your medical history, ask about symptoms, and perform a physical exam. They may order tests to check your heart and blood vessels.

Tests that may be done

• Blood pressure measurement
• Blood tests to check cholesterol, blood sugar, and other markers
• Electrocardiogram (ECG or EKG) to measure your heart’s electrical activity
• Stress test (exercise or medication) to see how your heart works during activity
• Echocardiogram (ultrasound of the heart) to look at structure and function

What to expect at your appointment

Most tests are painless and quick. Your doctor will explain each step and discuss your results with you, often on the same day or at a follow-up visit.

Treatment

Treatment focuses on managing risk factors and making lifestyle changes. Your doctor will create a personal plan based on your age, health, and risk factors.

Self-care at home

• Eat a heart-healthy diet: more fruits, vegetables, whole grains, lean proteins, and healthy fats; limit salt, sugar, and saturated fat.
• Get at least 150 minutes of moderate physical activity each week, such as brisk walking or cycling.
• Maintain a healthy weight for your height and age.
• Avoid smoking and all tobacco products.
• Limit alcohol to no more than one drink per day for women and two for men.

Medical treatments

Your doctor may recommend medicines to lower blood pressure, cholesterol, or blood sugar if needed. Always take medicines as prescribed and talk to your doctor before making any changes.

When is surgery considered?

Surgery is rarely needed for prevention. It may be considered if you have severe blockages in your heart arteries or heart valve problems that do not respond to other treatments.

Living with this condition

Taking care of your heart is a daily habit. Small steps like walking more, choosing healthy foods, and managing stress make a big difference over time.

Lifestyle tips

• Find ways to relax, such as deep breathing, meditation, or hobbies you enjoy.
• Get 7 to 9 hours of quality sleep each night.
• Stay connected with family and friends — social support is good for your heart.

Diet and exercise

Aim for a balanced diet full of colorful vegetables, fruits, whole grains, and lean proteins. Include physical activity you enjoy, like dancing, swimming, or gardening, to keep it fun.

Mental health and emotional wellbeing

Stress, anxiety, and depression can increase your risk of heart disease. Talk to your doctor if you feel overwhelmed — they can offer support and resources.

Prevention

Yes, many cardiovascular problems can be prevented or delayed with a healthy lifestyle, regular health checks, and managing conditions like high blood pressure or diabetes.

Vaccines

Getting recommended vaccines, such as the flu shot and pneumonia vaccine, can help prevent infections that might stress your heart.

Screening programmes

Regular blood pressure and cholesterol checks are key. Your doctor may also recommend a diabetes test or other screenings based on your age and risk factors.

Complications

If left untreated

• Heart attack (myocardial infarction)
• Stroke (when blood flow to the brain is blocked)
• Heart failure (when the heart cannot pump well)
• Peripheral artery disease (narrowed blood vessels in the legs)

Long-term outlook

The outlook is very positive when you take steps to protect your heart. Many people live long, active lives even with risk factors. Early action and consistent care can greatly reduce complications.

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