A fasting lipid panel shows total cholesterol 250, HDL cholesterol 50, and triglycerides 150 mg per deciliter. What is the calculated LDL cholesterol?
1150 mg per deciliter
2170 mg per deciliter✓ 정답
3180 mg per deciliter
4200 mg per deciliter
해설
Low-density lipoprotein cholesterol equals total cholesterol minus HDL cholesterol minus triglycerides divided by 5. One hundred fifty divided by 5 is 30, so 250 minus 50 minus 30 equals 170 mg/dL. Remember that the calculation is invalid when triglycerides are markedly elevated.