Question 1

Which of the following correctly reflects the ECG criteria for a sinus rhythm?

Accepted Answer

A)  More P waves than QRS complexes 
B)  P waves that look alike and upright in lead II, one before each QRS complex 
C)  Irregular atrial and ventricular rhythm 
D)  PR interval exceeding 0.20 second

Question 2

Completion
-Identify the following rhythm (lead II): ____________________

Accepted Answer

The answer of Completion
-Identify the following rhythm (lead II): ____________________
...

Question 3

Completion
-Identify the following rhythm (lead II): ____________________

Accepted Answer

The answer of Completion
-Identify the following rhythm (lead II): ____________________
...

Question 4

An ECG rhythm strip shows a ventricular rate of 128 beats/min, a regular rhythm, a PR interval of 0.16 second, a QRS duration of 0.08 second, and one upright P wave before each QRS. This rhythm is sinus _____.

Accepted Answer

A)  arrhythmia 
B)  bradycardia 
C)  rhythm 
D)  tachycardia

Question 5

Completion
-Identify the following rhythm (lead II): ____________________

Accepted Answer

The answer of Completion
-Identify the following rhythm (lead II): ____________________
...

Exam 3: Sinus Mechanisms

Which of the following correctly reflects the ECG criteria for a sinus rhythm?

Completion -Identify the following rhythm (lead II): ____________________

Completion -Identify the following rhythm (lead II): ____________________

An ECG rhythm strip shows a ventricular rate of 128 beats/min, a regular rhythm, a PR interval of 0.16 second, a QRS duration of 0.08 second, and one upright P wave before each QRS. This rhythm is sinus _____.

Completion -Identify the following rhythm (lead II): ____________________