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Author Question: Which of the following factors describes the most common causes of digoxin toxicity? a. ... (Read 93 times)

charchew

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on: Jul 23, 2018
Which of the following factors describes the most common causes of digoxin toxicity?
 
  a. Concurrent antihypertensive therapy and poor fluid intake
  b. Loss of appetite and systemic infection
  c. Increased edema and concurrent use of glucocorticoids
  d. Improper dosing and concurrent diuretic use

Question 2

Which of the following cardiac arrhythmias would not be amenable to treatment with digoxin (Lanoxin)?
 
  a. Atrial fibrillation
  b. Premature ventricular contractions
  c. Atrial flutter
  d. Paroxysmal atrial tachycardia


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chreslie

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Reply #1 on: Jul 23, 2018
Answer to Question 1

ANS: D
There are two primary causes of digoxin toxicity: improper dosing, and hypokalemia secondary to the concurrent administration of diuretics. The most obvious cause of toxicity is the admin-istration of too large a dose of digoxin.

Answer to Question 2

ANS: B
In addition to treating heart failure, cardiac glycosides such as digoxin are occasionally used to control the ventricular rate of atrial fibrillation, atrial flutter, and paroxysmal atrial tachycardia (PAT).


charchew

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Reply 2 on: Jul 23, 2018
Excellent

cassie_ragen

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Reply 3 on: Yesterday
Gracias!

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