Question 1 of 3
The charge nurse is explaining to a group of nurses how toxicity with digoxin occurs. Which statement made by a nurse about digoxin indicates further teaching is necessary?
"The half-life of digoxin is very short."
"Toxicity occurs because the drug can accumulate in the system."
...
The charge nurse is explaining to a group of nurses how toxicity with digoxin occurs. Which statement
made by a nurse about digoxin indicates further teaching is necessary?
"The half-life of digoxin is very short."
"Toxicity occurs because the drug can accumulate in the system."
"The therapeutic range of digoxin is very narrow."
"Digoxin is excreted through the kidneys in the urine." - Answer "The half-life of digoxin is very short."
This statement indicates further teaching is required. The half-life of digoxin is very long, which is what
allows the drug to build up in the system.
Question 2 of 3
The health care provider is changing medications from digoxin to a newer medication for heart failure.
How will the nurse explain this change to the patient?
"Digoxin is not considered effective in controlling heart failure any longer."
"There are newer medications that do not have the risk for toxicity."
"Your condition has become resistant to the therapeutic effects of digoxin."
"Your heart failure has progressed so you need a stronger medication." - Answer "There are newer
medications that do not have the risk for toxicity."
The nurse will explain to the patient that newer medications can control heart failure without the risk for
toxicity that is associated with digoxin
Question 3 of 3
The nurse is administering a dose of oral digoxin at 0800 on Monday. The nurse will anticipate the effects
of the digoxin dose to last until which time?
, 1000 on Monday
0800 on Tuesday
0800 on Wednesday
0800 on Thursday - Answer 0800 on Thursday
The nurse will anticipate the duration of the digoxin dose to occur between 0800 on Thursday and 0800
on Friday (3 to 4 days following administration).
CASE STUDY DETAILS
Mrs. Thomas, an 88-year-old woman with a history of Stage C heart failure, is admitted to the emergency
department. She reports increased shortness of breath and extreme nausea with visual disturbances.
The patient's spouse reports that she has been confused for the past 2 days. She is currently taking 0.25
mg/day of digoxin and a loop diuretic. - Answer
Question 1 of 3
Based on Mrs. Thomas's history and current assessment, which adverse effect of digoxin would the nurse
suspect?
Dysrhythmias
Atrioventricular (AV) block
Digoxin toxicity
Hyperkalemia - Answer Digoxin toxicity
Mrs. Thomas's nausea, confusion, and visual disturbances are all signs of digoxin toxicity.
Question 2 of 3
The nurse is assessing a patient before the administration of an oral dose of digoxin. Which assessment
data requires nursing action before medication administration?
This data requires nursing action because the patient's potassium level (3.2 mEq/L) is low. Hypokalemia
can increase the risk for digoxin toxicity. The nurse will notify the health care provider regarding the
potassium value.
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