Diuretics - 1st line Anti-hypertensive Flashcards
(70 cards)
Which diuretics are 1st line anti-hypertensive?
Thiazides
Where do we use Loop D. in HTN?
Severe HTN + CHF + renal dysfunction (edema)
DOC resistant HTN
Spironolactone
Which vasodilators decrease preload?
Veno-dilators - Nitrates
Which vasodilators decrease after load?
CCB
KCO
Hydralazine
Which vasodilators decrease pre and after load?
Mixed ones - STRONGEST
Diuretics
ACEi
ARBs
PDEi (Amrinone, Milrinone)
alfa-1 blockers
3rd gen beta blockers
fenoldapam
MOA of Sodium Nitroprusside?
Increase NO - Guanyl cyclase - Cyclic GMP => Vasodilation (Mixed)
VERY STRONG, SHORTER, FASTER
Use of SNP?
HTN EMERGENCY - IV, SHORT STRONG AND FAST
Which anti-hypertensive drug is photosensitive?
SNP
comes in black/brown bottles
Oxidizes in presence of light
Risk of SNP?
Sudden hypo-TN
Reflex tachycardia
Cyanide toxicity
Which drug used for HTN emergency causes cyanide toxicity?
SNP
MOA Hydralazine?
PDE inhibitor
KC opener
Use of Hydralazine?
HTN (safe in pregnancy)
CHF
Which anti-hypertensive drug has risk of SLE?
Hydralazine
Name KC Openers
Minoxidil
Diazoxide
Nicorandil
Which KCO is a prodrug?
Minoxidil
active form minoxidil sulfate
Which KCO drug is used in insulinoma?
Diazoxide
Which KCO drug causes hirsutism?
Minoxidil sulfate - Toni needs it topically
Which KCO drug is used in angina?
Nicorandil
Which type of Ca channel is present in blood vessels?
L-type - causes VD
(T-type in epilepsy)
MOA CCBs
Vasodilation + Inhibit heart conduction system = decrease HR
Which CCBs are used in SVT?
Verapamil and Diltiazem
CCBs which are safe in pregnancy?
Dihydropyridines - Nifedipine
CCBs which are safe in asthma?
Verapamil and Diltiazem