LIPIDS

Question 1

Normal total cholesterol

Answer 1

ADULTS
Desirable: <200 mg/dL (<5.17 mmol/L) SI conversion factor: 0.02586 (mmol/L)
Borderline high: 200–239 mg/dL (5.17–6.18 mmol/L)
High: ≥240 mg/dL (≥6.20 mmol/L)

PAEDIATRICS
Acceptable: <170 mg/dL (<4.40 mmol/L)
Borderline high: 170–199 mg/dL (4.40–5.15 mmol/L)
High: ≥200 mg/dL (≥5.17 mmol/L)

Question 2

Normal serum triglycerides

Answer 2

Normal: <150 mg/dL (1.70 mmol/L)
Borderline high: 150–199 mg/dL (1.70–2.25 mmol/L)
High: 200–499 mg/dL (2.26–5.64 mmol/L)
Very high: ≥500 mg/dL (≥5.65 mmol/L)
Acceptable:
0–9 yr: <75 mg/dL (<0.85 mmol/L) 10–19 yr: <90 mg/dL (<1.02 mmol/L)
Borderline high:
0–9 yr: 75–99 mg/dL (0.85 –1.12 mmol/L) 10–19 yr: 90–129 mg/dL (1.02–1.46 mmol/L)
High:
0–9 yr: ≥100 mg/dL (≥1.13 mmol/L) 10–19 yr: ≥130 mg/dL (≥1.47 mmol/L)

Question 3

Normal LDL cholesterol

Answer 3

ADULTS
Desirable: <100 mg/dL (<2.58 mmol/L) SI conversion factor: 0.02586 (mmol/L)
Above desirable: 100– 129 mg/dL (2.58–3.33 mmol/L)
Borderline high: 130–159 mg/dL (3.36–4.11 mmol/L)
High: 160–189 mg/dL (4.14–4.89 mmol/L)

PAEDIATRICS
Acceptable: <110 mg/dL (<2.84 mmol/L)
Borderline high: 110–129 mg/dL (2.84–3.33 mmol/L)
High: ≥130 mg/dL (≥3.36 mmol/L)

Question 4

Normal HDL cholesterol

Answer 4

Adults
low (men), <40 mg/dL (<1.03 mmol/L);
low (women), <50 mg/dL (<1.29 mmol/L)
Optimal: 60mg/dl or more

Question 5

Formula to calculate LDL

Answer 5

Friedewald formula
LDL = TC – HDL – (TGs/5)

Question 6

The four statin benefit groups

Answer 6

(1) patients with clinical ASCVD - High intensity
(2) adult patients with LDL‐C ≥4.9 mmol/L (190 mg/dL) - High intensity
(3) patients aged 40 to 75 years with diabetes mellitus and LDL‐C levels 1.8 to 4.9 mmol/L (70–189 mg/dL) - Moderate or High intensity
(4) patients with an estimated 10‐year ASCVD risk ≥7.5% and LDL‐C levels 1.8 to less than 4.9 mmol/L (70–189 mg/dL; primary prevention) - Based on clinical decision

Question 7

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