World Heart Day: Protect Your Heart Before It Gives You a Warning
The heart works continuously from before birth until the end of life. It beats thousands of times every day, pumping blood throughout the body and supplying oxygen and nutrients to every organ. Because the heart works silently and continuously, many people do not think about their cardiovascular health until symptoms appear. Unfortunately, some heart conditions can develop gradually without obvious warning signs.
World Heart Day, observed every year on 29 September, provides an opportunity to remind people that heart health is not only about treating heart disease after it occurs. It is also about preventing cardiovascular disease, identifying risk factors early, recognizing warning signs, and making healthy choices throughout life. Heart disease can affect people of different ages. High blood pressure, diabetes, high cholesterol, tobacco use, obesity, physical inactivity, unhealthy dietary patterns, stress, family history, and increasing age can all contribute to cardiovascular risk. The good news is that many important risk factors can be managed. A healthy heart begins with awareness, regular health monitoring, and timely medical care.
What Is Cardiovascular Disease?
Cardiovascular disease refers to a group of conditions affecting the heart and blood vessels.
These include:
- Coronary artery disease
- Heart attack
- Heart failure
- Heart rhythm disorders
- Heart valve diseases
- Cardiomyopathies
- Stroke and other vascular diseases
Among these, coronary artery disease is one of the most important causes of illness and death worldwide.
Understanding the Coronary Arteries
The heart itself requires a continuous supply of oxygen-rich blood.
This blood reaches the heart muscle through the coronary arteries.
Over time, fatty deposits and other substances can accumulate inside artery walls. This process is known as atherosclerosis.
If an artery becomes significantly narrowed, blood flow to the heart muscle may become insufficient, particularly during physical activity.
This can cause chest discomfort known as angina.
What Is a Heart Attack?
A heart attack, medically known as myocardial infarction, occurs when blood flow to part of the heart muscle becomes severely reduced or blocked, resulting in injury to the heart muscle.
A heart attack requires urgent medical treatment.
The sooner the patient reaches a hospital and receives appropriate treatment, the greater the opportunity to limit heart muscle damage.
Heart Attack Warning Signs
The symptoms of a heart attack can vary between individuals.
Possible symptoms include:
- Pressure or discomfort in the centre of the chest
- Chest heaviness or tightness
- Pain spreading to the arm, shoulder, back, neck, or jaw
- Shortness of breath
- Cold sweating
- Nausea or vomiting
- Dizziness
- Unusual weakness
Some patients may have less typical symptoms.
Women, older adults, and people with diabetes may sometimes experience symptoms that are less obvious than classic chest pain.
Do Not Wait for Severe Chest Pain
One of the most dangerous misconceptions is that a heart attack always causes unbearable chest pain.
That is not true.
Some people may experience:
- Mild chest discomfort
- Breathlessness
- Unusual fatigue
- Indigestion-like discomfort
- Sweating
- Dizziness
If symptoms are sudden, severe, unusual, or concerning, emergency medical assessment is important.
What Should You Do During a Suspected Heart Attack?
If you suspect that someone is having a heart attack:
Seek emergency medical assistance immediately.
Do not wait to see whether symptoms disappear.
Do not attempt to drive yourself if emergency medical transport is available and appropriate.
A hospital emergency department can rapidly assess the patient and begin appropriate treatment.
Why Time Matters in a Heart Attack
When a coronary artery is blocked, part of the heart muscle may be deprived of oxygen.
Prolonged lack of blood flow can cause irreversible injury.
This is why healthcare professionals emphasize rapid recognition and treatment.
Time is heart muscle.
Prompt medical attention can be lifesaving.
What Is High Blood Pressure?
Blood pressure is the force exerted by circulating blood against the walls of blood vessels.
Persistent high blood pressure, or hypertension, can place additional stress on the heart and blood vessels.
Over time, uncontrolled hypertension can increase the risk of:
- Heart attack
- Heart failure
- Stroke
- Kidney disease
- Other vascular complications
One of the challenges with hypertension is that many people have no obvious symptoms.
This is why regular blood pressure measurement is important.
Diabetes and Heart Health
Diabetes can damage blood vessels and increase cardiovascular risk.
High blood glucose levels over time can contribute to vascular damage and are often associated with other risk factors such as:
- High blood pressure
- Abnormal cholesterol
- Obesity
People with diabetes should maintain regular medical follow-up and manage blood glucose and other cardiovascular risk factors.
Cholesterol and Heart Disease
Cholesterol is essential for normal body function, but abnormal blood lipid levels can contribute to atherosclerosis.
LDL cholesterol, often referred to as “bad cholesterol,” is an important cardiovascular risk factor.
Doctors may recommend lifestyle changes and, when appropriate, medication to manage cholesterol.
The ideal cholesterol levels vary according to an individual’s overall cardiovascular risk.
Smoking and Heart Health
Tobacco use significantly increases cardiovascular risk.
Smoking can:
- Damage blood vessels
- Promote atherosclerosis
- Increase blood clotting tendency
- Reduce oxygen delivery
- Increase the risk of heart attack and stroke
Quitting smoking is one of the most important steps a smoker can take to improve cardiovascular health.
Physical Inactivity and the Heart
A sedentary lifestyle can contribute to:
- Weight gain
- High blood pressure
- Diabetes
- Abnormal cholesterol
- Reduced cardiovascular fitness
Regular physical activity, when medically appropriate, supports cardiovascular health.
People who have existing heart disease or significant medical conditions should discuss suitable exercise intensity with their healthcare professional.
Obesity and Cardiovascular Risk
Excess body weight can increase the risk of several conditions associated with cardiovascular disease.
These include:
- Hypertension
- Diabetes
- Abnormal cholesterol
- Sleep apnoea
Even modest improvements in weight, physical activity, and dietary habits can contribute to better overall health.
Stress and Heart Health
Stress is a normal part of life.
However, prolonged psychological stress can affect:
- Blood pressure
- Sleep
- Eating habits
- Physical activity
- Tobacco or alcohol use
Managing stress through healthy coping strategies, adequate sleep, physical activity, social support, and professional assistance when needed can support overall well-being.
The Importance of Sleep
Sleep is an important part of cardiovascular health.
Poor sleep or untreated sleep disorders can be associated with:
- High blood pressure
- Obesity
- Diabetes
- Cardiovascular disease
Adults should aim for adequate, regular sleep and seek medical advice if they experience persistent insomnia, excessive daytime sleepiness, or symptoms suggestive of sleep apnoea.
What Does a Heart-Healthy Diet Look Like?
A heart-friendly eating pattern generally emphasizes:
- Vegetables
- Fruits
- Whole grains
- Pulses and legumes
- Nuts and seeds in appropriate quantities
- Healthy sources of protein
- Adequate fibre
It is generally advisable to limit excessive:
- Salt
- Added sugars
- Highly processed foods
- Saturated fats
- Trans fats
Dietary requirements should be individualized, especially for people with diabetes, kidney disease, heart failure, or other medical conditions.
Salt and Blood Pressure
Excessive sodium intake can contribute to elevated blood pressure in susceptible individuals.
Reducing highly salty foods and processed foods can be helpful.
Instead of relying heavily on salt for flavour, people can use herbs, spices, vegetables, and other healthy ingredients.
Heart Health and Family History
Some cardiovascular risks are influenced by genetics.
A strong family history of:
- Early heart attack
- Stroke
- High cholesterol
- Certain inherited heart conditions
may increase an individual’s risk.
People with significant family history should discuss their cardiovascular risk with a healthcare professional.
Can Young People Have Heart Disease?
Yes. Although cardiovascular disease becomes more common with age, younger adults can also develop heart-related problems.
Risk factors may include:
- Smoking
- Obesity
- Diabetes
- High blood pressure
- High cholesterol
- Strong family history
- Certain inherited conditions
Therefore, heart health should begin early rather than being considered only a concern of older adults.
Women’s Heart Health
Heart disease is also a major health concern for women.
Symptoms of heart disease can sometimes differ between individuals.
Women may experience:
- Chest discomfort
- Breathlessness
- Unusual fatigue
- Nausea
- Sweating
- Back, neck, shoulder, or jaw discomfort
Women should not assume that heart disease is primarily a male problem.
Heart Disease in People With Diabetes
People with diabetes may have a higher cardiovascular risk.
Some individuals with diabetes may experience less typical symptoms during a heart attack.
Regular medical follow-up is therefore particularly important.
Managing:
- Blood glucose
- Blood pressure
- Cholesterol
- Weight
- Physical activity
can help reduce overall cardiovascular risk.
What Is Heart Failure?
Heart failure does not mean that the heart has completely stopped working.
It means that the heart is unable to pump blood sufficiently for the body’s needs or can do so only under increased pressure.
Symptoms can include:
- Breathlessness
- Swelling of the legs
- Fatigue
- Difficulty lying flat
- Reduced exercise tolerance
- Rapid weight gain due to fluid retention
Heart failure can have several causes and requires medical management.
Heart Rhythm Problems
The heart normally beats in a coordinated rhythm.
Abnormal heart rhythms are known as arrhythmias.
Some may be harmless, while others require treatment.
Possible symptoms include:
- Palpitations
- Dizziness
- Fainting
- Breathlessness
- Chest discomfort
A person experiencing recurrent or significant palpitations should seek medical evaluation.
What Is a Heart Check-Up?
A cardiovascular evaluation may include:
- Medical history
- Blood pressure measurement
- Physical examination
- Blood tests
- ECG
- Echocardiogram when indicated
- Exercise testing in selected patients
- Other investigations based on risk and symptoms
Not everyone requires every test.
A doctor determines the appropriate evaluation based on individual circumstances.
What Is an ECG?
An electrocardiogram (ECG) records the electrical activity of the heart.
It can help doctors identify:
- Abnormal heart rhythms
- Certain conduction abnormalities
- Evidence suggestive of previous or ongoing heart injury
- Other electrical abnormalities
An ECG is quick, non-invasive, and commonly used in cardiovascular assessment.
What Is an Echocardiogram?
An echocardiogram uses ultrasound to create images of the heart.
It can provide information about:
- Heart chambers
- Heart valves
- Heart muscle function
- Pumping capacity
- Blood flow patterns
Doctors may recommend an echocardiogram when symptoms or examination findings suggest a structural or functional heart problem.
Why Regular Health Check-Ups Matter
Many important cardiovascular risk factors are silent.
A person may have:
- High blood pressure
- High cholesterol
- Elevated blood sugar
without feeling unwell.
Regular health assessments can identify these conditions early and allow appropriate management.
How to Protect Your Heart Every Day
Heart health is built through everyday habits.
Consider:
- Move regularly.
- Eat a balanced diet.
- Avoid tobacco.
- Maintain a healthy weight.
- Monitor blood pressure.
- Check blood sugar when appropriate.
- Know your cholesterol levels.
- Sleep adequately.
- Manage stress.
- Take prescribed medications correctly.
- Attend recommended medical follow-ups.
These steps may appear simple, but together they can make an important difference.
Common Heart Health Myths
Myth: Heart disease only affects older people.
Fact: Cardiovascular disease can occur at younger ages, especially when risk factors are present.
Myth: If I feel healthy, my blood pressure and cholesterol must be normal.
Fact: High blood pressure and abnormal cholesterol often produce no symptoms.
Myth: Heart attacks always cause severe chest pain.
Fact: Symptoms vary, and some people experience less typical symptoms.
Myth: Exercise is dangerous for everyone with heart disease.
Fact: Appropriate physical activity is often an important part of cardiovascular health, but exercise should be tailored to the individual’s medical condition.
Myth: Men are more likely to have heart disease, so women don’t need to worry.
Fact: Heart disease is also a major health concern for women.
When Should You See a Cardiologist?
A cardiology consultation may be appropriate if you have:
- Recurrent chest discomfort
- Breathlessness
- Palpitations
- Fainting
- Unexplained swelling
- High blood pressure
- Abnormal cholesterol
- Diabetes with cardiovascular risk
- Strong family history of heart disease
- Abnormal ECG or other cardiac test
Your doctor can determine which investigations are appropriate.
When Is It an Emergency?
Seek emergency medical attention for symptoms such as:
- Sudden severe chest pressure or discomfort
- Chest discomfort associated with breathlessness
- Pain spreading to the arm, jaw, shoulder, or back
- Sudden severe breathlessness
- Fainting
- Severe sweating with concerning chest symptoms
- Sudden weakness or neurological symptoms
Do not wait for symptoms to become unbearable.
Heart Care at East Point Hospital
At East Point Hospital, patients can access cardiovascular evaluation and coordinated medical care through appropriate specialist services.
Cardiac assessment may involve:
- Cardiology consultation
- ECG
- Echocardiography
- Laboratory investigations
- Imaging when clinically indicated
- Risk-factor assessment
- Emergency evaluation
- Management of hypertension, diabetes, and cholesterol
- Further cardiac procedures when required
Patients with acute symptoms can be evaluated through emergency services and referred to the appropriate cardiac team.
World Heart Day: A Reminder for Every Family
World Heart Day is not simply about talking about heart disease.
It is an opportunity to ask yourself:
- Do I know my blood pressure?
- Do I know my blood sugar?
- Do I know my cholesterol?
- Am I physically active?
- Do I use tobacco?
- Is my diet supporting my health?
- Do I have a family history of heart disease?
These questions can encourage people to take action before cardiovascular disease becomes a serious problem.
Conclusion
Your heart does not take a holiday. It works continuously every day, supporting every movement, thought, and activity. Protecting heart health therefore requires more than responding to symptoms. It involves understanding cardiovascular risk factors, maintaining a healthy lifestyle, monitoring blood pressure, blood sugar and cholesterol when appropriate, avoiding tobacco, staying physically active, getting adequate sleep, and seeking medical advice when symptoms occur. Most importantly, never ignore symptoms that could represent a heart attack. Sudden chest discomfort, breathlessness, sweating, nausea, dizziness, or pain spreading to the arm, jaw, shoulder, or back requires urgent medical assessment.
On this World Heart Day, let the message be simple:
Know your risk. Protect your heart. Recognise the warning signs. Act without delay.
At East Point Hospital, our healthcare teams are committed to supporting patients and families through preventive health, cardiovascular evaluation, emergency care, and specialist treatment.
A healthy heart supports a healthier life—and heart health begins with the choices we make today.
