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Author Question: A patient who is prescribed oral quinidine (Quinaglute) for a tachydysrhythmia is on a cardiac ... (Read 57 times)

jasdeep_brar

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on: Jul 23, 2018
A patient who is prescribed oral quinidine (Quinaglute) for a tachydysrhythmia is on a cardiac monitor, which shows lengthening PR intervals. What is the nurse's best action?
 
  a. Perform a 12-lead electrocardiogram (ECG).
  b. Send a serum potassium level to the laboratory.
  c. Document this as an expected action of the drug.
  d. Notify the prescriber immediately.

Question 2

Nausea, vomiting, and an irregular heart rate develop in a patient who takes oral digoxin every morning. What is the nurse's best action?
 
  a. Give prescribed diphenhydramine (Phenergan) as needed.
  b. Check the patient's cardiac monitor strip.
  c. Assess the apical pulse for a full minute.
  d. Check laboratory results for a digoxin level.


jxjsniuniu

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

D
Quinidine is a class Ia antidysrhythmic drug that can slow the conduction of electrical impulses through the heart and lengthen the interval between the QRS complex and the T wave. This in-creases the patient's risk for development of an abnormal life-threatening ventricular rhythm called torsades de pointes, which can rapidly lead to ventricular fibrillation.

Answer to Question 2

D
Signs of digoxin overdose (toxicity) include nausea, vomiting, loss of appetite, diarrhea, and vi-sion problems. Other signs include heart rate or rhythm changes, palpitations, and fainting. When these signs and symptoms occur, hold the dose, notify the prescriber, and check the patient's se-rum digoxin level. This drug has a very narrow therapeutic range (0.8 to 2 ng/mL).


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jasdeep_brar

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Reply #2 on: Jul 23, 2018
Both answers were spot on, thank you once again


jxjsniuniu

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Reply #3 on: Jul 23, 2018
Great! Please up vote :D


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