complete AV heart block. b. RBBB.

A. The appearance of the QRS complex in this case indicates the presence of a(n)

 

a. complete AV heart block. b. RBBB.

c. incomplete heart block. d. 1st-degree AV heart block.

B. The rabbit ear appearance of the QRS complex is technically  referred to as

a. QR9S. b. Q9R9S9.

c. RR9. d. R9SR.

B. List the ECG changes that can indicate the presence of enlargement and hypertrophy.

C. Hypertrophy is identified by changes in the

a. P waves.

b. QRS complexes.

c. T waves.

d. PR intervals.

D.  Which of the following are changes seen in the ECG that can indicate the presence of enlargement or hypertrophy?

a. An increase in duration of the waveform

b. A biphasic waveform

c. Axis deviation

d. All of the above

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Characteristics of sinus bradycardia include?

A. Sinus bradycardia   a. often occurs naturally. b. is considered abnormal in athletes. c. is often seen in Wolff–Parkinson–White syndrome. d. is caused by increased sympathetic stimulation. B.  Characteristics….

Match the following sinus dysrhythmias with the correct description.

A.  With sinus arrest, the escape mechanism that follows the pause in electrical   activity may arise from the a. SA node. b. AV junction. c. ventricles. d. All of….

Why is it important to check for a pulse when there are premature beats in the rhythm?

A. Why is it important to check for a pulse when there are premature beats in the rhythm? B. Premature atrial complexes a. are typically preceded by an inverted P9….