02/28/2026
This , understand what your HDL and LDL readings mean and whether your numbers fall within a safe range.
Start by reviewing your LDL level. LDL stands for low density lipoprotein, and elevated levels increase the risk of plaque buildup in the arteries. LDL becomes risky at 130 mg/dL or higher, so maintaining levels below 125 mg/dL supports long term heart protection. Here is a clinical breakdown:
• LDL becomes risky above 130 mg/dL. This level increases plaque formation, and the risk continues to rise as the number climbs.
• LDL becomes dangerous at 160 mg/dL or higher. This level signals a significant risk of heart disease and requires close monitoring.
• LDL becomes critical at 190 mg/dL or more. This level often indicates familial hypercholesterolemia, a genetic condition that causes extremely high LDL from childhood and increases the likelihood of early heart disease without aggressive management.
HDL, on the other hand, protects the heart by removing excess cholesterol from the bloodstream. It reduces plaque buildup and supports healthy arteries, making it a key protective factor in cardiovascular health.
• HDL becomes helpful above 40 mg/dL in men and above 50 mg/dL in women. This level supports reduced plaque formation and improved cholesterol transport. It also enhances cholesterol removal and strengthens long term heart protection.
• HDL becomes highly protective at 60 mg/dL or more. This level is associated with a significantly lower risk of heart disease.
To maintain a healthy cholesterol balance:
• LDL should remain below 100 mg/dL for most adults.
• HDL should remain above 50 mg/dL for optimal protection.
• The LDL to HDL ratio should remain below 3.5.
Read our latest blog to know more: https://www.emcare.ca/blog/ldl-and-hdl-cholesterol-what-they-mean-and-why-they-matter/