Estimate your potential risk of a heart attack based on common risk factors. This calculator provides a general estimate and is not a substitute for professional medical advice.
Female
Male
Never Smoker
Former Smoker
Current Smoker
No
Yes
No
Yes
function calculateHeartAttackRisk() {
var age = parseFloat(document.getElementById('age').value);
var gender = document.getElementById('gender').value;
var smokingStatus = document.getElementById('smokingStatus').value;
var systolicBP = parseFloat(document.getElementById('systolicBP').value);
var totalCholesterol = parseFloat(document.getElementById('totalCholesterol').value);
var diabetes = document.getElementById('diabetes').value;
var familyHistory = document.getElementById('familyHistory').value;
var heightCm = parseFloat(document.getElementById('heightCm').value);
var weightKg = parseFloat(document.getElementById('weightKg').value);
var totalScore = 0;
var resultDiv = document.getElementById('result');
resultDiv.innerHTML = "; // Clear previous results
// Input validation
if (isNaN(age) || age 100 ||
isNaN(systolicBP) || systolicBP 200 ||
isNaN(totalCholesterol) || totalCholesterol 400 ||
isNaN(heightCm) || heightCm 250 ||
isNaN(weightKg) || weightKg 300) {
resultDiv.innerHTML = 'Please enter valid numbers for all fields.';
return;
}
// Calculate BMI
var heightM = heightCm / 100;
var bmi = weightKg / (heightM * heightM);
// Age points
if (age >= 70) {
totalScore += 4;
} else if (age >= 60) {
totalScore += 3;
} else if (age >= 50) {
totalScore += 2;
} else if (age >= 40) {
totalScore += 1;
}
// Gender points
if (gender === 'male') {
totalScore += 1;
}
// Smoking Status points
if (smokingStatus === 'current') {
totalScore += 3;
} else if (smokingStatus === 'former') {
totalScore += 1;
}
// Systolic Blood Pressure points
if (systolicBP >= 160) {
totalScore += 4;
} else if (systolicBP >= 140) {
totalScore += 3;
} else if (systolicBP >= 130) {
totalScore += 2;
} else if (systolicBP >= 120) {
totalScore += 1;
}
// Total Cholesterol points
if (totalCholesterol >= 240) {
totalScore += 2;
} else if (totalCholesterol >= 200) {
totalScore += 1;
}
// Diabetes points
if (diabetes === 'yes') {
totalScore += 3;
}
// Family History points
if (familyHistory === 'yes') {
totalScore += 2;
}
// BMI points
if (bmi >= 30) {
totalScore += 2;
} else if (bmi >= 25) {
totalScore += 1;
}
var riskCategory = ";
var riskDescription = ";
var riskColor = ";
if (totalScore <= 3) {
riskCategory = 'Low Risk';
riskDescription = 'Your estimated risk of a heart attack is currently low. Continue to maintain a healthy lifestyle.';
riskColor = 'green';
} else if (totalScore <= 7) {
riskCategory = 'Moderate Risk';
riskDescription = 'Your estimated risk is moderate. Consider discussing your risk factors with a healthcare professional for personalized advice.';
riskColor = 'orange';
} else if (totalScore <= 12) {
riskCategory = 'High Risk';
riskDescription = 'Your estimated risk is high. It is strongly recommended to consult with a doctor to develop a plan for managing your risk factors.';
riskColor = 'red';
} else {
riskCategory = 'Very High Risk';
riskDescription = 'Your estimated risk is very high. Immediate consultation with a healthcare professional is crucial to address your risk factors.';
riskColor = 'darkred';
}
resultDiv.innerHTML =
'Based on your inputs:' +
'Your BMI: ' + bmi.toFixed(1) + ' kg/m2' +
'Your Total Risk Score: ' + totalScore + ' points' +
'Estimated Heart Attack Risk: ' + riskCategory + '' +
" + riskDescription + " +
'This calculator provides a general estimate and is not a substitute for professional medical advice. Always consult with a healthcare provider for diagnosis and treatment.';
}
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background-color: #f9f9f9;
padding: 25px;
border-radius: 10px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
max-width: 700px;
margin: 30px auto;
border: 1px solid #e0e0e0;
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text-align: center;
margin-bottom: 20px;
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margin-bottom: 15px;
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margin-bottom: 8px;
color: #34495e;
font-weight: bold;
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padding: 10px;
margin-bottom: 15px;
border: 1px solid #ccc;
border-radius: 5px;
font-size: 1em;
box-sizing: border-box;
background-color: #fff;
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border-color: #007bff;
outline: none;
box-shadow: 0 0 5px rgba(0, 123, 255, 0.25);
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background-color: #28a745;
color: white;
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font-weight: bold;
display: block;
width: 100%;
margin-top: 20px;
transition: background-color 0.3s ease;
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.calculator-form button:hover {
background-color: #218838;
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margin-top: 30px;
padding: 20px;
background-color: #e9f7ef;
border: 1px solid #d4edda;
border-radius: 8px;
color: #155724;
font-size: 1.1em;
line-height: 1.6;
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.calculator-result p {
margin-bottom: 10px;
color: #155724;
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.calculator-result p strong {
color: #000;
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.calculator-result p em {
font-size: 0.9em;
color: #6c757d;
}
Understanding Heart Attack Risk
A heart attack, also known as a myocardial infarction, occurs when blood flow to a part of the heart is blocked, usually by a blood clot. This blockage can damage or destroy part of the heart muscle. Understanding your risk factors is the first step towards prevention and maintaining a healthy heart.
Key Risk Factors Explained:
Age: The risk of heart disease increases with age. For men, the risk increases significantly after age 45, and for women, after age 55 (or after menopause).
Gender: Men generally have a higher risk of heart attack earlier in life than women. However, after menopause, a woman's risk increases and becomes comparable to that of men.
Smoking: Smoking or long-term exposure to secondhand smoke significantly increases your risk of heart attack. Chemicals in tobacco can damage the heart and blood vessels, leading to narrowing of the arteries.
High Blood Pressure (Hypertension): Uncontrolled high blood pressure can harden and thicken your arteries, narrowing the channels through which blood flows. This can lead to a heart attack.
High Cholesterol: High levels of low-density lipoprotein (LDL) cholesterol (the "bad" cholesterol) can narrow your arteries. High triglycerides, another type of blood fat, also increase risk.
Diabetes: Diabetes increases your risk of heart disease. High blood sugar levels can damage blood vessels and nerves that control your heart.
Family History of Early Heart Disease: If your parents or siblings had early heart disease (before age 55 for men, and before age 65 for women), you are at an increased risk.
Obesity/Overweight (High BMI): Obesity is associated with high blood pressure, high cholesterol, and diabetes, all of which increase the risk of heart disease.
Lack of Physical Activity: Inactivity contributes to high blood pressure, low HDL cholesterol levels, obesity, and diabetes. Regular exercise can help lower these risks.
Stress: Unmanaged stress can contribute to high blood pressure and other risk factors.
Unhealthy Diet: A diet high in saturated fats, trans fats, cholesterol, and sodium can contribute to heart disease.
Preventive Measures:
While some risk factors like age and family history cannot be changed, many others can be managed or modified to significantly reduce your risk:
Quit Smoking: This is one of the most impactful steps you can take.
Manage Blood Pressure: Regular monitoring and medication if prescribed.
Control Cholesterol: Through diet, exercise, and medication if necessary.
Manage Diabetes: Keep blood sugar levels under control.
Maintain a Healthy Weight: Achieve and maintain a healthy BMI through diet and exercise.
Eat a Heart-Healthy Diet: Focus on fruits, vegetables, whole grains, lean proteins, and healthy fats. Limit processed foods, sugary drinks, and excessive sodium.
Regular Physical Activity: Aim for at least 150 minutes of moderate-intensity aerobic activity or 75 minutes of vigorous-intensity activity per week.
Reduce Stress: Practice stress-reduction techniques like meditation, yoga, or spending time in nature.
Regular Medical Check-ups: Discuss your risk factors with your doctor and follow their recommendations.
This calculator is a tool for awareness. For a comprehensive assessment and personalized advice, always consult with a qualified healthcare professional.