Recap Immune And Hemato Flashcards
Clopidrogrel MOA
Antiplatelet
Inhibit ADP binding to P2Y12 receptor
AAS MOA
Inhibit COX = less PG = less inflammation
Also blocks COX1 in platelets = less activation
Abciximab MOA
GP IIb/IIIa antagonist
No binding of fibrinogen or vWF
Tirofiban MOA
GP IIB/IIIa inhibitor (reversible)
Prevent fibrinogen binding
Alteplase MOA
Converts plasminogen to plasmin
—> lyses fibrin to fibrinogen
Streptokinase MOA
Produces activator complex: plasminogen —> plasmin
Tenecteplase MOA
Tissue plasminogen activator t-PA
Binds to fibrin clots —> cleaves Arg/Val bond = plasminogen—> plasmin
Thrombolytic
Nadroparin MOA
Binds to anti-thrombin III (ATIII) —> inhibition Xa
Antithrombotic
Warfarin MOA
Inhibits vit K ERC1 = no activation of vit K
Reduce clotting factors
Phytonadione MOA
Vitamin K
Cofactor to gamma glutamyl-carboxylase
= activation of factors: II, VII, IX, X
Procoagulant
Heparin MOA
Binds to antithrombin AT —> inactivates coag. factors
Enoxaparin MOA
Binds to anti-thrombin III (ATIII) = complex
= irreversible Xa inactivation
Acenocoumarol MOA
Inhibit vit K reduction = no carboxylation of coag.factors II, VII, IX, X
Folic acid MOA
Stimulate RBC, WBC, platelet production
Hydroxocobalamin MOA
DNA synthesis
Iron dextran MOA
Replenish iron stores
Famotidine MOA
H2 antagonist
Ranitidine MOA
H2 antagonist
Cyproheptadine MOA
H2 antagonist
5-HT antagonist
Cinnarizine MOA
Block Ca channels
Inhibit smooth muscle contraction
Misoprostol MOA
PGE1 analog —> PGE1R on parietal cells —> inhibit gastric acid secretion
Sucralfate MOA
Binds to + charged proteins in exudates —> protective coat in gastric mucosa
Metoclopramide MOA
D2 antagonist
Decrease LES pressure = more gastric emptying
More duodenal and jejunal motility
Domperidone MOA
D2 antagonist
Gastric muscle contraction —> prokinetic
Ondansetron MOA
Block 5-HT receptors in area postrema
Reduce vagus activity —> vomit center in medulla oblongata
Scopalamine butylbromide
Muscarinic receptor antagonist
For motion sickness
Aprepitant MOA
Substance P/ NK 1 receptor antagonist —> solitary nucleus and area postrema for CINV prophylaxis
Cinitapride MOA
5-HT agonist —> prokinetic and antiulcer
Mg Hydroxide MOA
React with HCl in stomach = neutralize