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Sometimes you can actually see fat in the blood after it has been sitting upright for a few minutes. The fat floats to the top of the test tube. This person probably ate a high fat meal. The triglycerides (in chylomicrons) would be very high in this person. |
High blood fats can cause several health problems. Relative to heart attacks, the most important blood fat is the blood level of LDL cholesterol. In order to prevent or reverse a heart attack, the LDL cholesterol should be below 60 mg/dl. For individuals with multiple cardiac risk factors or who have already had some type of heart attack event, it should be below 50 mg/dl.