9-12 hours
How long should patients fast before having their blood drawn for sampling?
can falsely elevate TG levels; falsely lowering calculated LDL
What can eating or drinking do to a patient's Cholesterol Labs?
b, c, d
Which lipid panels are directly measured?
a) LDL
b) Total Cholesterol
c) TG's
d) HDL
e) Non-HDL
f) VLDL
g) chol/HDL
a, e
Which lipid panels are calculated?
a) LDL
b) Total Cholesterol
c) TG's
d) HDL
e) Non-HDL
f) VLDL
g) chol/HDL
f, g
Which lipid panels are NOT used in clinical decision-making?
a) LDL
b) Total Cholesterol
c) TG's
d) HDL
e) Non-HDL
f) VLDL
g) chol/HDL
if the patient was fasting
If a lipid panel is abnormal, what should we check?
LDL= TC-(TG/5)-HDL
Friedewald formula (LDL)
TG>200
LDL will be falsely low when
TG>400
LDL will be invalid when
TG/5
VLDL formula?
non-HDL= TC-HDL
Non-HDL formula?
diet high in: saturated fat, cholesterol, trans fat; sedentary lifestyle, disease states, medication
Common Secondary Causes of Hyperlipidemia?
hypothyroidism, obstructive liver disease, nephrotic syndrome, anorexia
Which disease states can cause an elevated LDL? (4)
obesity, diabetes, pregnancy, acute hepatitis, systemic lupus, renal failure
Which disease states can cause elevated TGs? (6)
malnutrition, obesity, diabetes, smoking
Which disease states can cause low HDL? (4)
cornea arcus, Achilles tendon xanthoma, xanthelasmas
Common signs in Familial Hyperlipidemia? (3)