<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] Hiyes the patient is at risk factor for chd , his tg and total cholestrol levels aare elevated ,dyslipidemia is a very important factor for coronary artery diseaseCalculating ldl value using equations is a obselete process and there are many chances of error hence its not used these days , but as per your question val;ue of ldl is 140mg/dl according to equation.get a ldl cholestrol level done the patiient should start taking statins for 3 months along with life style modifications. </s>