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N112 ARBs
N112 - Angiotension II Receptor Blockers for test 1
Question | Answer |
---|---|
ARBs | Antiotension II receptor Blocker or Antagonist |
Uses | Used alone or in combination with other medication to treat HTN (hypertension) |
Other uses | Adjunctive agent to treat CHF (congestive heart failure) |
Action | blocks the action of angiotensin II after it is formed, ARBs block receptors for angiotensin II in vascular smooth muscle & adrenal glands (competitive inhibition) = block vasoconstriction & secretion of aldosterone |
Side effects/Adverse reactions | Headache, upper respiratory infection, dizziness, Does not cause cough of ACE inhibitors, Does not cause hyperkalemia (K+) |
Nursing consideration 1 | Monitor vital signs especially BP |
Nursing consideration 2 | May take with or without food |
Nursing consideration 3 | Advise patient to change position slowly to avoid orthostatic hypotension |
Evaluate effectiveness of the drug | Decreased BP, improvement in s/s of CHF (congestive heart failure) |
Drug to drug interactions | Lithium toxicity, Tagamet = decrease effectiveness of ARBs |