Archive · 23 Dec 2025

40-Year-Old's Heart Attack Despite Low LDL

40-Year-Old's Heart Attack Despite Low LDL

A 40-year-old man had a heart attack even though his bad cholesterol (LDL) was very low.

Doctors usually tell people to keep their LDL below 70 mg/dL to stay healthy.

This man's LDL was even lower at 55 mg/dL, and he didn't have any other obvious risk factors like being overweight, smoking, or having diabetes.

However, his triglyceride levels were very high, and his good cholesterol (HDL) was very low.

The ratio of his triglyceride to HDL levels was much higher than what is considered safe.

This high ratio can increase the risk of heart problems, even if the LDL is low.

So, it's important to look at all the numbers in a cholesterol report, not just the LDL.

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