Drugs - Anti Cholesterol And Anti Hypertensives | Flashcards
5 main types of Cardiovascular drugs
Anti-cholesterol
Anti-hypertensives
Anti-anginal
Anti-thrombotic
Anti-arrhythmic
Anti-cholesterol drugs - 4
Statins
Fibrates
PSK9 inhibitors
Inclisiran
Statins - function and examples
Blocks HMG CoA reductase in liver, reducing LDL cholesterol
Increase LDL receptor sites
Simvastatin, atorovastatin
Statins - main uses
Hypercholesterolaemia
Diabetes
Angina / MI
CVA / TIA
Used in primary and secondary prevention
Statins - side effects
Myopathy - neuromuscular disorder
Rhabdomyolysis - breakdown of skeletal muscle releasing myoglobin into bloodstream which can damage kidney
Don’t use during pregnancy - LDL needed
Fibrates - function and example
Reduce triglyceride levels
Bezafibrate
Fibrates - main uses
Hypertriglyceridemia
Low HDL cholesterol
Advised to be used in combination with statins
PCSK9 inhibitors - function and examples
Inhibit binding of PCSK9 to LDL receptors
Reduces LDL
Alirocumab, Evolocumab
PCSK9 inhibitors - main use
Familial hypercholesterolemia
Inclisiran - function
Small interfering RNA that limits PCSK9
Boosts livers ability to remove cholesterol
Injected every 6 months
Anti hypertensives - 7
ACE + ARBs
Beta Blockers
Calcium channel blockers
Diuretics
Mineralocorticoid antagonists
Alpha blockers
Alpha 2 or imidazoline receptor agonists
ACE inhibitors - function and examples
Blocks angiotensin converting enzyme so A1 cannot be converted into A2. A2 is a vasoconstrictor
Lowers blood pressure
Lisinopril
ACE inhibitors - main uses
Hypertension - 1st line in young white patients
Heart failure - lengthens prognosis
ACE inhibitors - side effects
Dry Cough
Renal dysfunction
Angioneurotic oedema
Never use in pregnancy
Kidneys
- good in diabetic neuropathy
- bad in renal artery stenosis
ARBs - function and example
Blocks angiotensin 2 receptors
Vessels aren’t constricted
Blood pressure decreases
Losartan
ARBs - main uses
Hypertension - if ACEi don’t work
Heart failure
ARBs - side effects
Renal dysfunction
Never use in pregnancy - induces hypertension (eclampsia)
Beta blockers - function and examples
Blocks beta receptors causing decreased heart rate and blood pressure
Cardioselective - Atenolol + Bisoprolol
Non-Cardioselective - Propanolol + Carvendilol
Beta blockers - main uses
Arrhythmia
Concurrent cardiac disease
Non-Cardioselectives can be used in thyrotoxicosis (overactive thyroid) and migrate
Beta blockers - side effects
Bronospasm - don’t use with asthma
Avoid in patients with raynauds
Hypoglycaemia
Heart failure
Cold peripheries
Beta blockers - side effects
Cancer
Tired
Heart failure
Cold peripheries
Calcium channel blockers - 2 types
Dihydropyridines
Rate limiting calcium antagonists
Calcium channel blockers - function
Blocks calcium channels which means force of contraction is less
Lowers heart rate and blood pressure
Vasodilator
CCBs - Dihydropyridines - example, use and side effects
Amlodipine
Used in: Hypertension - old and non-Caucasian
Angina
Side effects - ankle oedema
CCBs - Rate limiting calcium antagonists - examples, use, side effects
Verapamil + Diltiazem
Used in: hypertension
Angina
Supraventricular arrhythmias (AF, SVT)
Side effects - avoid use with beta blockers
Diuretics - function
Blocks sodium reabsorption
Diuretics - 2 types
Thiazide diuretics
Loop diuretics
Thiazide diuretics - example, uses, side effects
Bendrofluazide
Mild
Used in hypertension
Effective in women and elderly
Side effects:
Hypokalemia
Tiredness
Arrhythmias
Diabetes
Gout
Impotence
Loop diuretics - example, use
Furosemide
Stronger
Acts on loop of henle
Used in heart failure
Mineralocorticoid antagonists - function and examples
Block aldosterone receptors
Spironolactone + eplerenone
Mineralocorticoid antagonists - uses and side effects
Heart failure
Resistant hypertension
Side effects:
Gynaecomastia - men get breasts
Hyperkalemia
Renal impairment
Alpha 2 or imidazoline receptor agonist - example and function
Clonidine and Moxonidine
Reduces noradrenaline release
Alpha blockers - example and function
Doxazosin
Block Alpha adrenoceptors to cause vasodilation
Alpha blockers - use and side effects
Hypertension
Prostatic hypertrophy
Side effects - postural hypotension