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NBME 18 Answers

nbme18/Block 3/Question#46 (reveal difficulty score)
45 yo man for annual health maintenance ...
Fenofibrate ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
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submitted by โˆ—dorsal_vein(47)
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Many students will get this question wrong because of a similar question on Uworld. This patient has an extremely high triglyceride level and has no history of cardiovascular disease. Fibrates should be prescribed to prevent pancreatitis.

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lokotriene  Not sure which UW questions you're referring to, but I found a couple that agree/support Fibrates for lowering isolated triglyceride elevation incase anyone wants to reference them for clarity. #11844 & #166 +
username  Talking about in situations where the patient has cardiovascular event, serum lipid values show OKAY cholesterol levels but increased triglycerides. Q will ask what to add to patient's regiment. In this case, if answer choice throws you fibrates, you'll want to bite, but if patient has cardiovascular disease, you're going to want to go with statins +2



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submitted by โˆ—mariame(16)
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So this patient has high TOTAL colesterol and TRIGLYCERIDES. Statin may be a choice because its first line therapy for cholesterol reduction. However in this case the patient has very high Triglycerides and first line therapy for Hypertrigliceridemia are Fibrates

How to rule out Simvastatin: statins are used to lower LDL not Total cholesterol so use LDL equation -> LDL= Total cholesterol- HDL - (TGS/5)

Hope this help, I'm sorry if someone else posted it as a comment, my comments are scrambled and I don't want to pay more money for this test.

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mariame  So this patient has high TOTAL colesterol and TRIGLYCERIDES. Statin may be a choice because its first line therapy for cholesterol reduction. However in this case the patient has very high Triglycerides and first line therapy for Hypertrigliceridemia are Fibrates How to rule out Simvastatin: statins are used to lower LDL not Total cholesterol so use LDL equation -> LDL= Total cholesterol- HDL - (TGS/5) I'll post it here in case anybody has scrambled comments like me. +



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submitted by โˆ—donttrustmyanswers(74)
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According to UpToDate:

At levels below 886 mg/dL (10.0 mmol/L), the risk of pancreatitis appears to be quite small [76-78]; however, it is reasonable to consider drug therapy at levels of 500 mg/dL (5.6 mmol/L) or above in patients with a prior episode of pancreatitis.

Bonus: They say fenofibrate>gemfibrozil always.

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submitted by โˆ—feliperamirez(45)
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According to the AHA every patient with TG above 500 should receive fibrates, even though statins can decrease TG levels.

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