Describe how increases or decreases in the potassium and calcium serum levels effect the ECG.

A. Describe how increases or decreases in the potassium and calcium

 

serum levels effect the ECG.

B.  Prolonged QT intervals are associated with

a. atrial fibrillation.

b. complete AV heart block.

c. sinus bradycardia.

d. torsades de pointes.

C. ECG changes associated with digoxin use include a(n)

a. longer QT interval.

b. elevated ST segment.

c. gradual downward curve of the ST segment.

d. shorter than normal PR interval.

D. The most common dysrhythmia seen with digoxin toxicity is

b. paroxysmal atrial tachycardia with 2nd-degree AV heart block.

c. junctional tachycardia.

d. torsades de pointes.

E.  On the following illustrations draw an example of

a. tall T waves.

b. sine waves.

c. U waves.

 

 

find the cost of your paper

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….