A nurse is caring for a client who is taking digoxin for heart failure and develops indications of severe digoxin toxicity. Which of the following medications should the nurse prepare to administer?
Flumazenil
Acetylcysteine
Naloxone
Fab antibody fragments
The Correct Answer is D
A) Flumazenil: Flumazenil is an antidote used to reverse the effects of benzodiazepines, which are central nervous system depressants. It is not effective in treating digoxin toxicity, as it does not interact with the cardiac glycoside effects of digoxin.
B) Acetylcysteine: Acetylcysteine is primarily used as an antidote for acetaminophen overdose and to help manage mucus in respiratory conditions. It has no effect on digoxin toxicity and would not be appropriate for treating this condition.
C) Naloxone: Naloxone is an opioid antagonist used to reverse the effects of opioid overdose. Like flumazenil and acetylcysteine, naloxone is not effective in addressing digoxin toxicity and does not counteract the effects of cardiac glycosides.
D) Fab antibody fragments: Fab antibody fragments, also known as Digoxin-specific antibody fragments (Digibind or DigiFab), are the appropriate treatment for severe digoxin toxicity. These fragments bind to digoxin, neutralizing its effects and allowing the body to eliminate it safely. This is the most effective and specific treatment for life-threatening digoxin toxicity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) Ataxia:
Ataxia is not a classic symptom of digoxin toxicity. It is more commonly associated with other neurological conditions or medications.
B) Photosensitivity:
Photosensitivity is not typically linked to digoxin toxicity. It is more often associated with certain other medications or conditions.
C) Anorexia:
Anorexia is a common early symptom of digoxin toxicity. It often accompanies other signs such as nausea, vomiting, and visual disturbances. Early recognition of these symptoms is crucial for prompt management of toxicity.
D) Jaundice:
Jaundice is not a common manifestation of digoxin toxicity. It is generally related to liver conditions or issues affecting bilirubin metabolism.
Correct Answer is ["A","B","C"]
Explanation
A) Duloxetine: Duloxetine, an SNRI (Serotonin-Norepinephrine Reuptake Inhibitor), is commonly used for depression and chronic pain. It can cause orthostatic hypotension, especially in older adults, due to its effects on norepinephrine, which can lead to blood pressure fluctuations upon standing.
B) Furosemide: Furosemide is a loop diuretic that increases urine output, leading to a decrease in blood volume. This reduction in blood volume can result in orthostatic hypotension, particularly when the client changes positions quickly, such as moving from lying down to standing.
C) Telmisartan: Telisartan is an angiotensin II receptor blocker (ARB) used to treat hypertension. It can cause vasodilation and a reduction in blood pressure, which may lead to orthostatic hypotension, especially in older adults who are more sensitive to blood pressure changes.
D) Atorvastatin: Atorvastatin, a statin used to lower cholesterol, does not typically cause orthostatic hypotension. Its primary action is on lipid levels rather than blood pressure, making it less likely to contribute to this condition.
E) Clopidogrel: Clopidogrel is an antiplatelet medication that reduces the risk of blood clots. It does not generally affect blood pressure or cause orthostatic hypotension, as its mechanism of action is related to inhibiting platelet aggregation rather than influencing vascular tone or fluid balance.
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