Pharm Flashcards
Thiazide diuretics
Hydrochlorothiazide and Chlorthalidone
Inhibits resorption of sodium and chloride at the distal convoluted tubule
Loop diuretics
Furosemide, Bumetanide, and Torsemide
Inhibits sodium and chloride resorption at the loop of Henle, and proximal and distal convoluted tubule
Potassium-sparing diuretics
Spironolactone and Eplerenone
Antagonizes aldosterone-specific mineralocorticoid receptors (primarily in the distal convoluted tubule), decreasing sodium and water reabsorption and increasing potassium retention
Lactulose MOA
Nonabsorbable disaccharide that decreases ammonia in the bloodstream by acidifying colonic contents
Can cause a nongap metabolic acidosis from large volume losses of bicarbonate.
Beta blocker affects on Heart
Increases diastolic filling time by slowing the heart rate and therefore leads to decreased cardiac contractility
Medical Management of diabetic peripheral neuropathy
1st line therapy: Pregabalin Gabapentin Amitriptyline Duloxetine
2nd line- Venlafaxine
Coumadin (Warfarin) MOA
anti-coagulant that has a mechanism of action by inhibiting vitamin K dependent clotting factors, which include II, VII, IX, X, and protein C and S.
Ibuprofen MOA
Non-selective COX inhibitor; thus promoting anti-inflammatory action via COX-2
Celebrex (celecoxib) MOA
Selective COX inhibitor that targets COX-2 and has no effect on COX-1 function
Inhibition of COX-2 allows anti-inflammatory action without the disruption of COX-1 (gastric mucosa, regulating renal blood flow, and platelet aggregation)
Aspirin MOA
Aspirin irreversibly inhibits the formation of thromboxane A2, which is required for normal platelet aggregation.
Plavix (clopidogrel) MOA
Inhibits platelet aggregation by irreversibly inhibiting an adenosine diphosphate (ADP) chemoreceptor on platelet cell membranes.
Ginkgo biloba
Herbal supplement that is marketed for the treatment of dementia, memory impairment, and vascular disorders
Potential risk of bleeding due to inhibition of binding of platelet activating factor. (so don’t use with aspirin, NSIDS and anticoagulants)
Unfractionated heparin
polysaccharide that binds to anti-thrombin III (AT III) and increases the rate of AT III inactivation of thrombin and Factor Xa
Only in hospital bc it’s given IV
Low molecular weight heparins (LMWH), such as enoxaparin
LMWH actions preferentially inhibit factor Xa, with a longer effect than that of heparins. LMWH are administered subcutaneously, but require significant dose reductions with chronic kidney disease
GPIIb/IIIa inhibitors
Abciximab (ReoPro), tirofiban (Aggrastat), and eptifibatide (Integrilin)
GPIIb/IIIa receptors are found on platelets. Activation of these receptors leads to platelet aggregation