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Author Question: A patient's heart rate is regular at 68 beats per minute. The electrocardiogram (ECG) tracing shows ... (Read 70 times)

DelorasTo

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on: Jul 23, 2018
A patient's heart rate is regular at 68 beats per minute. The electrocardiogram (ECG) tracing shows P waves before every QRS complex. What is the likely pacemaker of the heart?
 
  a. SA node
  b. AV node
  c. Bundle of His
  d. Purkinje fibers

Question 2

A patient is prescribed aspirin 650 mg orally. The aspirin form on hand is 325 mg/tablet. How many tablets does the nurse give this patient? _____ tablet(s)
 
  Fill in the blank(s) with correct word


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isabelt_18

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

A
The SA node initiates electrical impulses at a rate of 60 to 100 per minute. When the ECG shows P waves before every QRS complex with a rate between 60 and 100 per minute, the rhythm is a normal sinus rhythm which is initiated by the SA node.

Answer to Question 2

2 tablets
Want 650 mg/Have 325 mg; = 2.


DelorasTo

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Reply 2 on: Jul 23, 2018
:D TYSM

nguyenhoanhat

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Reply 3 on: Yesterday
Gracias!

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