High levels of low-density
lipoprotein
lipoprotein
(LY-poh-PRO-teen):
A complex molecule containing protein and lipids. Cholesterols such as high-density lipoproteins (HDLs) and low-density lipoproteins (LDLs) are types of lipoproteins.
(LDL) cholesterol usually do not cause
symptoms
symptom
(SIMP-tum):
A problem that a patient experiences that may indicate disease but cannot be seen and does not show up on medical tests or procedures; some examples include headache, fatigue, nausea, or pain.
. Most people do not know they have high blood cholesterol until they have a blood test during a routine healthcare visit.
If your levels are very high, you may notice the following
signs
sign
(SINE):
In medicine, signs are evidence of disease that can be found or measured during a physical exam, laboratory test, or medical procedure; some examples include fever, high blood pressure readings, high levels of cholesterol in the blood, high levels of immune cells or inflammatory markers in the blood or other body sample, increased body mass index, low oxygen or high carbon dioxide levels in the blood, and abnormal imaging, biopsy, or other test results.
:
- Fatty bumps (xanthomas) on your skin, especially on the elbows, joints, knees, hands, ankles, or buttocks
- Grayish-white rings (
corneal arcus
corneal arcus
(KAWR-nee-uhl AHR-kuhs):
A grayish-white ring around one or both corneas in the eyes. These rings are lipid, or fat, deposits that have formed due to normal aging or chronically high blood levels of cholesterol or other lipids.
) that appear around the cornea in your eye
These signs develop mostly in people who have very high cholesterol that runs in families (
familial hypercholesterolemia
familial hypercholesterolemia
(fuh-MIH-lee-ul or fuh-MIL-yul HY-per-kuh-LES-ter-uh-LEE-mee-uh):
An inherited condition that passes from parents to children and causes high blood levels of low-density lipoprotein (LDL) cholesterol and may cause a heart attack at an early age.
).
Undiagnosed or untreated high blood cholesterol can lead to serious problems, such as heart attack and stroke. Talk to your healthcare provider about your risk and steps you can take to keep your cholesterol levels in a healthy range.
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