Which of the following dysrhythmias has P waves that seem to march through the QRS complexes?

A. Which of the following dysrhythmias has P waves that seem to march

 

through the QRS complexes?

a. 2nd-degree AV heart block, type I

b. 2nd-degree AV heart block, type II

c. 3rd-degree AV heart block

d. 1st-degree AV heart block

B.  Which of the following heart blocks is irregular?

a. 1st-degree AV heart block

b. 2nd-degree AV heart block, type I

c. 3rd-degree AV heart block

d. All of the above

C. Match the following heart blocks with the correct characteristics.

D.  What rhythm is the patient in?

a. 1st-degree AV heart block

b. 2nd-degree AV heart block, type I

c. 2nd-degree AV heart block, type II

d. 3rd-degree AV heart block

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