Author Question: A patient's heart rate is regular at 68 beats per minute. The electrocardiogram (ECG) tracing shows ... (Read 27 times)

DelorasTo · **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

isabelt_18 · **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.