click below
click below
Normal Size Small Size show me how
DIT Heme A&P
| Question | Answer |
|---|---|
| what allows RBCs to change shape as they pass through vessels? | spectrin |
| What are some of the different causes of polycythemia? | (excess EPo) RCC, HCC, pheoCC, hemangioblastoma, Down's, Polycythemia Vera, Hypoxia (COPD, OSA, high alt) |
| What coag factor is deficient in hemophilia A | VIII |
| what coag factor is deficient in hemophilia B | IX |
| what clotting factors require vit K for synthesis | 10, 9, 7, 2, protein C, protein S |
| Tx for heparin overdose | protamine sulfate |
| Tx for warfarin overdose | Vit K and FFP |
| lab value used to monitor heparin | PTT |
| lab value used to monitor warfarmin | PT/INR |
| lab value used to monitor enoxaparin | Factor Xa activity |
| Tx for heparin induced thrombocytopenia? | Stop heparin. Lepirudin, Bivalirudin |
| cofactor for the activation of antithrombin. decreases thrombin and Xa | heparin |
| interferes with gamma carboxlation of vit K dependent lotting factors | Warfarin |
| Has effect on extrinsic pathway and increases PT | warfarin |
| accelerating factors | V, VIII |
| inhibit accelerating factors | protein C and S |
| clot buster | plasmin |
| converts fibrinogen to fibrin | thrombin |
| converts prothrombin to thrombin | Va |
| converts Plasminogen to plasmin | kallikrein |
| activates extrinsic coagulation pathway | thromboplastin converts VII-->VIIa |
| activates intrinsic coagulation pathway | collagen, basement membrane and activated platelets convert XII--> XIIa |
| inhibits thrombin and factors IXa, Xa, XIa, and XIIa | antithrombin |
| proaggregation | TXA2 |
| antiaggregation | PGI2 and NO |
| inhibits COX (TXA2 synthesis) | aspirin |
| inhibits ADP induced expression of GpIIb/IIIa | Ticlopidine and clopigrel |
| inhibits GpIIb/IIIa directl | abciximab |