Lipid panel

Overview

A lipid panel is a blood test that measures the amount of cholesterol and triglycerides in your blood. Cholesterol is a waxy substance your body needs to build cells, and triglycerides are a type of fat that your body uses for energy. Having too much or too little of these fats can affect your heart health.

Lipid panels are very common – most adults get this test at least once every few years as part of a routine health check.

Anyone can need a lipid panel, but it is most often recommended for adults over 20, people with a family history of high cholesterol or heart disease, and those who have conditions like diabetes or high blood pressure.

Symptoms

Common symptoms

• A lipid panel itself does not cause symptoms – it is a blood test. But high cholesterol or triglycerides usually have no symptoms until they cause a problem.

Symptoms in children

• Children rarely have symptoms of abnormal lipids. However, some children with inherited high cholesterol may have yellowish bumps on their skin called xanthomas.

Symptoms in older adults

• Older adults may also have no symptoms. Very high triglycerides can sometimes cause fatty deposits under the skin or around the eyes.

Causes

Main causes

• High cholesterol and triglycerides can be caused by eating too many saturated and trans fats, not being active, and being overweight.
• Some people inherit genes that make their bodies produce too much cholesterol, even with a healthy lifestyle.
• Medical conditions like diabetes, an underactive thyroid, kidney disease, or liver disease can also raise lipid levels.

Risk factors

• Eating a diet high in processed foods, red meat, and full-fat dairy
• Lack of exercise
• Smoking or vaping
• Drinking too much alcohol
• Being overweight or obese
• Having diabetes, high blood pressure, or a family history of early heart disease

When to see a doctor

See a doctor urgently if:

• If you have chest pain, shortness of breath, or any sign of a heart attack or stroke, call your local emergency number immediately.

Book a routine appointment if:

• Talk to your doctor about getting a lipid panel as part of a routine health check, especially if you are over 20 or have risk factors like diabetes or a family history of heart disease.

Diagnosis

A diagnosis of high cholesterol or other lipid problems is made through a blood test called a lipid panel. Your doctor will also consider your age, blood pressure, smoking status, and other health factors.

Tests that may be done

• Lipid panel (blood test) – measures total cholesterol, HDL, LDL, and triglycerides.
• Sometimes your doctor may order a more detailed lipid test if you have a very high risk or a family history of inherited cholesterol problems.

What to expect at your appointment

A healthcare professional will take a small blood sample from a vein in your arm. You may need to fast for 9–12 hours before the test (only drinking water). The test itself takes only a few minutes. Results usually come back in a day or two.

Treatment

If your lipid panel shows high levels, the goal is to lower your risk of heart attacks and strokes. Treatment usually starts with lifestyle changes and may include medications if needed.

Self-care at home

• Eat more fruits, vegetables, whole grains, and lean proteins like fish and legumes.
• Reduce foods high in saturated fat, such as fatty meats, butter, and fried foods.
• Aim for at least 30 minutes of moderate exercise most days, like brisk walking, swimming, or cycling.
• If you smoke, ask your doctor about ways to quit.
• Limit alcohol to no more than 1–2 drinks per day.

Medical treatments

If lifestyle changes alone do not bring your levels to a healthy range, your doctor may prescribe medicines that help lower cholesterol or triglycerides. These are taken daily and work in different ways – for example, by reducing how much cholesterol your body makes or helping remove it from the blood. Your doctor will discuss which option is best for you based on your overall health.

When is surgery considered?

Surgery is not used to treat abnormal lipid levels themselves. However, if high lipids have already caused blocked arteries, procedures like angioplasty or bypass surgery may be needed. Your doctor will explain your options.

Living with this condition

Living with high cholesterol often means making healthy choices every day. You may need to take medication regularly and have your blood checked from time to time. Most people find that a heart-healthy lifestyle becomes a normal part of their routine.

Lifestyle tips

• Keep a food diary to track what you eat and identify areas to improve.
• Cook at home more often, using healthy oils like olive or canola.
• Find an exercise buddy to help you stay active.
• Get enough sleep – aim for 7–9 hours a night.

Diet and exercise

A heart-healthy diet includes plenty of fibre (oats, beans, lentils, fruits, vegetables) and healthy fats from nuts, seeds, avocados, and fish. Limit added sugars and refined carbohydrates. Physical activity helps raise your 'good' HDL cholesterol and lower triglycerides. Even small changes, like taking the stairs or a short walk after meals, can make a difference.

Mental health and emotional wellbeing

Learning that you have high cholesterol can be worrying, but remember it is a very manageable condition. Some people feel anxious about taking medication or changing habits. It helps to talk with your doctor, a dietitian, or a counsellor if you feel stressed. Taking control of your health often improves your mood and confidence.

Prevention

You cannot always prevent high cholesterol, especially if it runs in your family, but a healthy lifestyle greatly reduces your risk. Eating well, staying active, not smoking, and maintaining a healthy weight are the best ways to keep your lipids in check.

Screening programmes

Screening typically starts at age 20 and is repeated every few years. If you have a family history of high cholesterol or early heart disease, your doctor may recommend earlier or more frequent screening. Children at risk may be tested as early as age 2.

Complications

If left untreated

• High total cholesterol and LDL can lead to buildup of fatty deposits (plaque) in your arteries, narrowing them over time.
• This can cause coronary artery disease, which may lead to chest pain (angina), heart attack, or stroke.
• Very high triglycerides can increase the risk of inflammation of the pancreas (pancreatitis).

Long-term outlook

The outlook is very good. With the right lifestyle changes and, if needed, medication, most people can bring their lipid levels to a healthy range and greatly lower their risk of heart disease and stroke. Many people live long, active lives with well-managed lipids.

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