CVS - Hypertension Flashcards
Aim of treatment in Hypertension
Decrease volume of blood
Decrease hardness of BV
Drugs used in Hypertension
Diuretics
Vasodilators
Sympathetic blockers
RAAS Blockers
Diuretics used in Hypertension
Thiazides - Diuretics of choice in HTN
Vasodilators used in Hypertension
NO
Potassium channel openers
Calcium channel blockers
D1 agonist
Mechanism of action of NO
Stimulates guanylate cyclase - increases cGMP levels - Vasodilation
Nitrates used in Hypertensive emergencies
Sodium Nitroprusside
Hydralazine
Nitrates used in Hypertensive emergencies
Sodium Nitroprusside
Hydralazine
Characteristics of Sodium Nitroprusside
Special iv set (microdrip set)
Sensitive to light
Risk of cyanide Poisoning
Not given in pregnancy
Characteristics of Sodium Nitroprusside
Special iv set (microdrip set)
Sensitive to light
Risk of cyanide Poisoning
Not given in pregnancy
Characteristics of Hydralazine
Safe in pregnancy
Example of SHIP Drugs - metabolized by Acetylation and can result in SLE like reaction
Potassium channel openers used in Hypertension
Minoxidil
Diazoxide
Hydralazine - NO + K+ channel openers
Characteristics of Minoxidil
Prodrug - Minoxidil sulphate(active metabolite)
Used in treatment of Alopecia
Causes hair growth (Hirsutism) - avoided in young girls
Diazoxide characteristics
Decreases insulin
Can cause Hyperglycemia - avoided in diabetics
Used in treatment of Insulinoma
Diazoxide characteristics
Decreases insulin
Can cause Hyperglycemia - avoided in diabetics
Used in treatment of Insulinoma
Calcium channel blockers used in Hypertension
Verapamil
Diltiazem
DHPs - Amlodipine, Nicardipine