CV drugs: hypertension Flashcards
What drugs are used in the treatment of Hypertension?
1. <55: ACE I / ARB >55 / african: CCB 2. ACEI + CCB 3. ACEI + CCB + Thiazide diuretic 4. + Spironolactone
ACE Inhibitor used in hypertension?
Lisinopril
Mode of action of Lisinopril?
Blocks conversion of Angiotensin I to Angiotenisn II
Side effects of Lisinopril?
Dry cough
Hypotension
Angiotension Receptor Blocker used in hypertension?
Losartan
Mode of action of Losartan?
AT1 receptor antagonism causes:
-venous and arteriolar dilatation
Side effects of Losartan?
Hypotension and dizziness
Calcium Channel Blocker used in hypertension?
Amlodipine
Mode of action of Amlodipine?
Block α1-adrenoceptors, reducing Ca2+ influx and muscle contraction:
-vasodilatation
Side effects of Amlodipine?
Ankle oedema
Hypotension & dizziness
Thiazide diuretic used in hypertension?
Bendroflumethiazide
Mode of action of Bendroflumethiazide?
Inhibits reabsorption of Na+ in the loop of Henle, thus promoting water excretion.
Side effects of Bendroflumethiazide?
Hypokalaemia (arrhythmias, tiredness)
Hyponatraemia
High uric acid (gout)
Hypercalcaemia
Hyperglycaemia (diabetes)
Counter-indication of Spironolactone?
Hyperkalaemia