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6 Cards in this Set
- Front
- Back
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What is bromocriptine used to treat?
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dopamine receptor agonist - activates dopamine receptors - vasoconstrictive properties
used to treat Parkinson's Inhibitory effect on prolactin release - effective in treating hyperprolactinemia |
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Why isn't carbonic anhydrase inhibiters a good diuretic? What is its main use?
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It inhibits the Hydrogen needed for Na/H exchange early in the renal tubule. It is not stopped from leaving later in the tubule by different pumps, so very little Na is actually released via urine.
It is actually used in the chronic treatment of opeen angle glaucoma |
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What is a major difference in Loop and Thiazide side effects?
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Loops get hypocalcemic
Thiazides get hypercalcemic |
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How does spironolactone and triamterene/amiloride differ?
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spirono - inhibits Na reabsorption by inhibiting aldosterone
T/A - directly block Na/K exchange in the late distal tubule and collecting duct |
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What is the MOA of nitro?
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vasodilation
reduce the volume of blood returned to the heart (preload). Decreased preolad decreases the amount of blood the heart will have to pump - less blood to pump, less work. Reducing work reduces O2 demand. With increasing dose, increasing effect on also the arterial structures - includes coronary arteries Decreases peipheral vascular resistance (afterload) - allows heart to work less; decreased demand |
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What is the DOC for Pinzmetals angina?
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Calcium Channel Blockers (Nifedipine, Verapamil)
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