<s>[INST] a 49yr.oldnman with no personal or family history of chd, and who is not hypertensive does not smoke. results: TCHOL=260mg/dL TAG=505mg/dL HDL=25mg/dL FBS=134mg/dL what is the LDL value using the friedwald and de long calculations? does the patient have a risk factor for CHD? enumerate them and explain why is it safe to report the derived value? why [/INST] Hayes the patient is at risk factor for CHD, his TG and total cholesterol levels are elevated, dyslipidemia is a very important factor for coronary artery diseaseCalculating LDL value using equations is an obsolete process and there are many chances of error hence it's not used these days, but as per your question val;UE of LDL is 140 mg/DL according to equation. Get a LDL cholesterol level done the patient should start taking statins for 3 months along with lifestyle modifications. </s>