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Exam (elaborations)

Anticoagulant drugs Exam Questions 100% Solved

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©SIRJOEL EXAM SOLUTIONS 10/11/2024 1:41 PM Anticoagulant drugs Exam Questions 100% Solved. Acute and chronic disorders that require anticoagulation therapy - answerMI, unstable angina, A-Fib, Indwelling devises such as indwelling heart valves, conditions in which blood flow may be slowed and...

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  • October 15, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Anticoagulant drugs
  • Anticoagulant drugs
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sirjoel
©SIRJOEL EXAM SOLUTIONS
10/11/2024 1:41 PM



Anticoagulant drugs Exam Questions 100%
Solved.


Acute and chronic disorders that require anticoagulation therapy - answer✔MI, unstable angina,

A-Fib, Indwelling devises such as indwelling heart valves, conditions in which blood flow may

be slowed and blood may pool, such as major orthopedic surgery; also used in prevention of

DVT


common disorders where anticoagulant therapy is contraindicated - answer✔Leukemia,

pregnancy, gastrointestinal infection (colitis), recent surgery or other invasive medical

procedures; also know drug allergies and acute bleeding risks as well as thrombocytopenia


major action and use of heparin - answer✔Works by binding to anti-thrombin III (AT-III) which

turns off three main activating factors: Activated II (thrombin), activated X, and activated IX

-Mainly work to prevent the formation of a clot or thrombus


routes of administration for heparin and list appropriate nursing measures for each - answer✔IV

and SQ ONLY!! Requires careful monitoring of PT/INR; Nurses also want to assess for adverse

effects, such as bleeding. Nurses want to be mindful of drug interactions and other common

adverse effects such as hematoma, nausea, anemia, thrombocytopenia, fever and edema

, ©SIRJOEL EXAM SOLUTIONS
10/11/2024 1:41 PM


laboratory test that determines Heparin's effect - answer✔PT/INR


adverse effects of Heparin and list appropriate nursing action for each - answer✔-Bleeding, a

hematoma at site of injection, nausea, anemia, fever, edema; Heparin induced thrombocytopenia

(HIT), which is an allergic reaction mediated by the production of IgG antibodies

-Because of Heparins short half life (1 to 2 hours) stopping the treatment can alleviate these

symptoms

-Toxicity and Over Dosing: Hematoma, melena (blood in stool) and gum or mucus membrane

bleeding. Stopping treatment can completely reverse symptoms in 5 minutes. Must have order

for Protamine Sulfate


Protamine Sulfate - answer✔the antagonist used to manage heparin toxicity


benefits of using low molecular weight heparin eg. Enoxaparin (Lovenox). - answer✔Lab

monitoring isn't necessary because of its high bioavailability and greater affinity for factor Xa. It

is available only in injection form.


Compare the action of Coumadin to Heparin in relation to the clotting process - answer✔-

Heparins: Inhibit thrombin clotting factors.

-Coumadin: Inhibits vitamin K dependent clotting factors (available in PO form only).

Compare the onset and duration of action of parenteral and oral anticoagulants -

answer✔Perenteral Anticoagulants - Onset Immediate (20-60min), Duration: Dose dependent

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