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Nurb 3150 exam 3 Study Guide with Verified Solutions Hemostasis - Answer-Any process that stops bleeding (compression, surgery, cauterization) Coagulation - Answer-Process of clotting Thrombus - Answer-Blood clot Embolus - Answer-A blood clot that has dislodged from the vessel wall and is movi...

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  • October 6, 2024
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  • 2024/2025
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EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024




Nurb 3150 exam 3 Study Guide with
Verified Solutions

Hemostasis - Answer✔✔-Any process that stops bleeding (compression, surgery, cauterization)


Coagulation - Answer✔✔-Process of clotting


Thrombus - Answer✔✔-Blood clot


Embolus - Answer✔✔-A blood clot that has dislodged from the vessel wall and is moving through the

bloodstream


Fibrin - Answer✔✔-Stringy protein produced by fibirnogen during the clotting process, major component

of blood clots increased


Fibrinolysis - Answer✔✔-Reverse of clotting process, mechanism by which clots are listed (broken down)


Coagulation modifiers - Answer✔✔-anticoagulants


antiplatelets


antifibrinolytics


thrombolytics


Anticoagulant therapy - Answer✔✔-Primarily prophylactic and used when likelihood of cot formation is

high




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,EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
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Anticoagulant therapy - Answer✔✔-Prevent fibrin deposits, extension of thrombus and thromboembolic

complications


Anticoagulant action - Answer✔✔-Decrease blood coagulability, no effect on existing thrombus




Oral or parenteral


Heparin - Answer✔✔-Solution for CVADs




Binds to antithrombin III and turns off the coagulation pathway to prevent clots from forming


Heparin - Answer✔✔-Does not dissolve clots, just prevents new ones from forming


Heparin - Answer✔✔-Metabolized in liver and excreted from kidney


Dosed in units


Heparin indications - Answer✔✔-When there is a need for rapid anticoagulation


-surgery of heart and blood vessels


-dialysis


-sudden arterial occlusion


-DVT and thrombophlebitis (prevent PE)


-Disseminated Intravascular Coagulation


Heparin CI - Answer✔✔-Preexisiting conditions that would be life threatening if bleeding occurred

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,EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024


-threaten abortion


-aneurysm


-ICB


-severe HTN


-hemophilia


-thrombocytopenia


Heparin - Answer✔✔-Cautious use in conditions with increased risk of bleeding


-childbirth


-trauma


-active ulcer Ds


-liver Ds


Heparin - Answer✔✔-AEs


-bleeding and hemorrhage


HIT (heparin induced thrombocytopenia)


Coagulation studied - Answer✔✔-PRIOR TO INITIATION- baseline aPTT, PT, CBC and platelets


6 hours AFTER- check PTT again IN OPPOSITE ARM


25-35 sec - Answer✔✔-Normal PTT


45-70 (1.5-2.5 times normal) - Answer✔✔-Therapeutic PTT

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, EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024


Parenteral heparin subq - Answer✔✔-Onset- 20-60min


5000 unit q 6 hour


Do not aspirate or rub


Hold for 3 seconds


Roatate sites


Double check w another nurse


Tuberculin syringe


IV heparin - Answer✔✔-Onset immediate


Loading dose


Continuous infusion on pump, provided constant blood level and less risk for complications


Heparin - Answer✔✔-Document ml/hr and u/hr


Heparin - Answer✔✔-Watch for s/s of bleeding (blood in stool, hematuria, epistaxis)


Avoid shaving w razor


Soft toothbrush


Limit needle sticks


Can precipitate HIT so look for SUDDEN decrease in platelets


Protamine sulfate - Answer✔✔-Heparin antidote




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