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Author Question: A nurse is reviewing the electrocardiogram (ECG) results. Which portion of the conduction system ... (Read 52 times)

lindiwe

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on: Jul 22, 2018
A nurse is reviewing the electrocardiogram (ECG) results. Which portion of the conduction system does the nurse consider when evaluating the P wave?
 
  a. SA node
  b. AV node
  c. Bundle of His
  d. Purkinje fibers

Question 2

The patient has right-sided heart failure. Which finding will the nurse expect when performing an assessment?
 
  a. Peripheral edema
  b. Basilar crackles
  c. Chest pain
  d. Cyanosis


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briezy

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Reply #1 on: Jul 22, 2018
Answer to Question 1

ANS: A
The P wave represents the electrical conduction through both atria; the SA node initiates electrical conduction through the atria. The AV node conducts down through the bundle of His and the Purkinje fibers to cause ventricular contraction.

Answer to Question 2

ANS: A
Right-sided heart failure results from inability of the right side of the heart to pump effectively, leading to a systemic backup. Peripheral edema, distended neck veins, and weight gain are signs of right-sided failure. Basilar crackles can indicate pulmonary congestion from left-sided heart failure. Cyanosis and chest pain result from inadequate tissue perfusion.


lindiwe

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Reply 2 on: Jul 22, 2018
Gracias!

amcvicar

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Reply 3 on: Yesterday
Wow, this really help

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