Cardiovascular Risk Factor Calculator

Cardiovascular Risk Factor Calculator

Estimate your potential cardiovascular risk based on several key health indicators. This calculator provides a simplified risk assessment and is not a substitute for professional medical advice.

function calculateRisk() { var age = parseFloat(document.getElementById('age').value); var gender = document.getElementById('gender').value; var systolicBP = parseFloat(document.getElementById('systolicBP').value); var totalCholesterol = parseFloat(document.getElementById('totalCholesterol').value); var hdlCholesterol = parseFloat(document.getElementById('hdlCholesterol').value); var isSmoker = document.getElementById('isSmoker').checked; var isDiabetic = document.getElementById('isDiabetic').checked; var totalScore = 0; var resultDiv = document.getElementById('riskResult'); resultDiv.innerHTML = "; // Clear previous results // Input validation if (isNaN(age) || age 100) { resultDiv.innerHTML = 'Please enter a valid age (18-100 years).'; return; } if (isNaN(systolicBP) || systolicBP 200) { resultDiv.innerHTML = 'Please enter a valid Systolic Blood Pressure (70-200 mmHg).'; return; } if (isNaN(totalCholesterol) || totalCholesterol 400) { resultDiv.innerHTML = 'Please enter a valid Total Cholesterol (100-400 mg/dL).'; return; } if (isNaN(hdlCholesterol) || hdlCholesterol 100) { resultDiv.innerHTML = 'Please enter a valid HDL Cholesterol (20-100 mg/dL).'; return; } // 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; } // 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; } // HDL Cholesterol points (lower HDL is worse) if (hdlCholesterol < 40) { totalScore += 3; } else if (hdlCholesterol < 50) { totalScore += 2; } else if (hdlCholesterol < 60) { totalScore += 1; } // Smoking status points if (isSmoker) { totalScore += 3; } // Diabetes status points if (isDiabetic) { totalScore += 4; } var riskLevel = ''; var riskDescription = ''; if (totalScore <= 5) { riskLevel = 'Low Risk'; riskDescription = 'Your estimated cardiovascular risk is currently low. Continue to maintain a healthy lifestyle.'; } else if (totalScore <= 10) { riskLevel = 'Moderate Risk'; riskDescription = 'Your estimated cardiovascular risk is moderate. Consider discussing these factors with your doctor.'; } else if (totalScore <= 15) { riskLevel = 'High Risk'; riskDescription = 'Your estimated cardiovascular risk is high. It is strongly recommended to consult with a healthcare professional for personalized advice and management.'; } else { riskLevel = 'Very High Risk'; riskDescription = 'Your estimated cardiovascular risk is very high. Immediate consultation with a healthcare professional is advised to develop a comprehensive risk reduction plan.'; } resultDiv.innerHTML = '

Your Estimated Cardiovascular Risk:

' + 'Risk Level: <span style="font-weight: bold; color: ' + (totalScore <= 5 ? 'green' : (totalScore ' + riskLevel + '' + 'Total Risk Score: ' + totalScore + ' points' + " + riskDescription + " + 'This is a simplified assessment and not a diagnostic tool. Always consult a medical professional for accurate diagnosis and treatment.'; } .cardiovascular-risk-calculator-container { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f9f9f9; border: 1px solid #ddd; border-radius: 8px; padding: 25px; max-width: 600px; margin: 20px auto; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); color: #333; } .cardiovascular-risk-calculator-container h2 { text-align: center; color: #2c3e50; margin-bottom: 20px; font-size: 1.8em; } .cardiovascular-risk-calculator-container p { margin-bottom: 15px; line-height: 1.6; } .calculator-form .form-group { margin-bottom: 15px; display: flex; flex-direction: column; } .calculator-form .form-group label { margin-bottom: 8px; font-weight: bold; color: #555; } .calculator-form .form-group input[type="number"], .calculator-form .form-group select { padding: 10px 12px; border: 1px solid #ccc; border-radius: 5px; font-size: 1em; width: 100%; box-sizing: border-box; } .calculator-form .checkbox-group { flex-direction: row; align-items: center; } .calculator-form .checkbox-group input[type="checkbox"] { margin-right: 10px; width: auto; } .calculator-form button { background-color: #007bff; color: white; padding: 12px 25px; border: none; border-radius: 5px; font-size: 1.1em; cursor: pointer; transition: background-color 0.3s ease; width: 100%; box-sizing: border-box; margin-top: 20px; } .calculator-form button:hover { background-color: #0056b3; } .result-container { margin-top: 25px; padding: 15px; border: 1px solid #e0e0e0; border-radius: 8px; background-color: #eaf6ff; color: #333; } .result-container h3 { color: #007bff; margin-top: 0; font-size: 1.4em; } .result-container p { margin-bottom: 8px; }

Understanding Cardiovascular Risk Factors

Cardiovascular disease (CVD) remains a leading cause of morbidity and mortality worldwide. Understanding and managing your risk factors is crucial for prevention and maintaining long-term heart health. This calculator provides a simplified overview of some common risk factors, but a comprehensive assessment by a healthcare professional is always recommended.

Key Risk Factors Explained:

1. Age: The risk of cardiovascular disease generally increases with age. As we get older, our blood vessels can become stiffer and less elastic, and other risk factors may accumulate over time.
2. Gender: Historically, men have had a higher risk of heart disease at younger ages than women. However, after menopause, a woman's risk tends to equalize with that of men, and heart disease remains a significant concern for both genders.
3. Systolic Blood Pressure: This is the top number in a blood pressure reading, indicating the pressure in your arteries when your heart beats. High systolic blood pressure (hypertension) puts extra strain on your heart and blood vessels, increasing the risk of heart attack, stroke, and kidney disease.
4. Total Cholesterol: Cholesterol is a waxy, fat-like substance found in your blood. High levels of total cholesterol, particularly "bad" low-density lipoprotein (LDL) cholesterol, can lead to plaque buildup in your arteries (atherosclerosis), narrowing them and impeding blood flow.
5. HDL Cholesterol: High-density lipoprotein (HDL) cholesterol is often referred to as "good" cholesterol because it helps remove excess cholesterol from your arteries, transporting it back to the liver for removal from the body. Higher HDL levels are generally protective against heart disease.
6. Smoking Status: Smoking is one of the most significant preventable risk factors for heart disease. Chemicals in tobacco smoke damage blood vessels, reduce oxygen to the heart, increase blood pressure, and promote blood clot formation.
7. Diabetes Status: Diabetes, especially if poorly controlled, significantly increases the risk of heart disease and stroke. High blood sugar levels damage blood vessels and nerves that control the heart, accelerating atherosclerosis.

Managing Your Risk:

While some risk factors like age and genetics cannot be changed, many others are modifiable through lifestyle choices and medical management. These include:

• Adopting a heart-healthy diet rich in fruits, vegetables, whole grains, and lean proteins.
• Engaging in regular physical activity.
• Maintaining a healthy weight.
• Quitting smoking.
• Managing blood pressure, cholesterol, and blood sugar levels through diet, exercise, and medication if prescribed.
• Limiting alcohol intake.
• Managing stress.

Regular check-ups with your doctor are essential to monitor your risk factors and develop a personalized plan for heart health. This calculator is a tool for awareness, not a diagnostic instrument.

Example Calculation:

Let's consider an example:

• Age: 55 years
• Gender: Male
• Systolic Blood Pressure: 145 mmHg
• Total Cholesterol: 220 mg/dL
• HDL Cholesterol: 45 mg/dL
• Current Smoker: No
• Diagnosed with Diabetes: No

Based on our simplified scoring:

• Age (55 years): +2 points
• Gender (Male): +1 point
• Systolic BP (145 mmHg): +3 points
• Total Cholesterol (220 mg/dL): +1 point
• HDL Cholesterol (45 mg/dL): +2 points
• Smoker: +0 points
• Diabetic: +0 points

Total Score: 2 + 1 + 3 + 1 + 2 + 0 + 0 = 9 points

This score would typically fall into the Moderate Risk category, indicating that while not extremely high, there are several factors that warrant attention and discussion with a healthcare provider.