Antihypertensive Agents Flashcards
Hypertension
A sustained systolic blood pressure of greater than 140
A sustained diastolic bp of greater than 90
What lowers blood pressure by depleting the sodium body
Diuretics
What lowers blood pressure by reducing peripheral resistance and increasing capacitance vessels
Sympathoplegic agents
What Reduces blood pressure by relaxing vascular smooth muscles
Direct vasodilators
Example and function of thiazide diuretics
Hydrochlorithiazide
Lowers blood pressure by increasing sodium and water excretion
Potassium-sparing diuretics are often used combined with
Thiazides
Function of loop diuretics
Increase renal blood flow
Decreases renal vascular resistance
What reduces potassium loss in urine
Spironolactone and eplerenone
The most widely used beta blocers in the treatment of hypertension
Metoprolol and atenolol
What beta 1 selective blockers are metabolized in the liver
Betaxolol and bisoprolol
What beta blockers are partial agonists
Pindol, acebutolol and penbutolol
Which beta 1 blocker is metabolized by red blood cells , has a short half life of 9-10 min and is given through iv
Esmolol
What drugs are used in men with concurrent hypertension and benign prostatic hyperplasia
Parozosin, teraZosin, doxazosin
What agents are used in the diagnosis and treatment of pheochromocytoma
Phentolamine and phenoxybenzamine
What drugs are used in long- term outpatient therapy of hypertension
Hydralazine and minoxidil