13: Common drugs used to treat cardiovascular disease Flashcards
Broadly, which classes of drugs are used to treat hypertension?
Diuretics
Beta blockers
Vasodilators
What are diuretics used to treat?
Hypertension
Heart failure
What are beta blockers used to treat?
Hypertension
Angina
Heart failure (mid-long term)
What do diuretic drugs do?
Block Na+ reabsorption into the kidneys
so more fluid is secreted and the plasma volume decreases
Name a thiazide diuretic - what are they used to treat?
Bendrofluazide
Hypertension
Name a loop diuretic - what are they used to treat?
Furosemide
Heart failure
What are stronger - thiazide diuretics or loop diuretics?
Loop diuretics (e.g furosemide)
Name two side-effects of diuretic drugs.
Hypokalaemia - tiredness
Arrythmia
Hyperglycaemia
Increased uric acid - gout
Impotence
What do beta blockers do?
Block ß1 and ß2 adrenoceptors
Name a beta blocker which only blocks ß1 adrenoceptors (cardioselective).
Atenolol
Atenolol is a cardioselective beta blocker. What does this mean?
Only blocks ß1 adrenoceptors.
What conditions can atenolol be used to treat?
Angina
Hypertension
Heart failure
What are non-selective beta blockers?
Block both ß1 and ß2 adrenoceptors
Name an example of a non-selective beta blocker.
Propanolol
What is propranolol used to treat?
Thyrotoxicosis
In which case should beta blockers NOT be used?
If the patient has asthma
What are the side effects of beta blockers?
Fatigue
Heart failure in the short term
Cold peripheries