Drugs for Lipid Disorders Flashcards
The medication classifications include HMG-CoA reductase inhibitors also called what?
Statins
What are the expected actions of the HMG-CoA reductase inhibitor?
1) Decreases the manufacture of LDL & VLDL cholesterol 2) Decrease triglycerides in some persons 3) Increase manufactures of HDL 4) Promotion of vasodilation
What is the therapeutic Use for a statin?
Primary hypercholesterolemia
Can you name other uses for a statin- ( HMG-CoA redctase inhibitor?
(Think prevention & protection)Prevention of coronary events & primary prevention in clients who have normal LDL, Protection against an MI and stroke for persons with diabetes mellitus.
There are five (5) medications in this class think Zoo
Lion, Monkey, Parrot-Zoo
Name the five medications in the HMG-CoA reductase class
1) atorvastatin [Lipitor] 2) lovastatin [Mevacor] 3. pravastatin [Pravachol] 4.rosuvastatin [Crestor] 5.simvastatin [Zocor]
There are complications to taking a statin, name one.
Hepatotoxicity (toxic liver) evidenced by an elevated AST level (aspartate transaminase
There is an essential action before a person is started on a statin - what is it?
Obtain a baseline liver function test (AST)
True or False, Monitor liver function tests after 12 weeks and then every six months
True
True or False, A statin might be discontinued if the liver function (AST) are above the expected reference range
True
A nurse can observe for s & s of liver dysfunction- what are a few?
Anorexia, vomiting, nausea & jaundice (yellow-orange tinge color skin - whites of the eyes).
A nurse should teach a client or patient to avoid what when taking a statin?
Alcohol and Grapefruit Juice (can increase the levels of statins)
A nurse should teach a patient or client while taking a statin to report muscle aches, pain and tenderness - why?
If the person continues on a statin while having myopathy this can progress into myositis or rhabdomyolysis ( which is a breakdown of muscle tissue & releases a damaging protein ( myoglobin) which can damage the kidneys.
Persons at risk for myopathy, specifically rhabdomyolysis are ?
Older adults, frail adults with a small body frame, and those with hypothyroidism
This is a nursing teaching question-statins are dosed at night, why?
Because most cholesterol is synthesized during the night