ECG

Question 1

ECG strip

each small box is 1 mm wide and represents ____ sec or ____ ms

each large box is 5 mm wide and represents ____ sec or ____ ms

Answer 1

0. 04 or 40
1. 2 sec or 200 ms

Question 2

any deviation from the heart’s normal electrical rhythm

Answer 2

dysrhythmia

Question 3

the absence of cardiac electrical activity

Answer 3

arrhythmia

Question 4

cause of dysrhythmia

Answer 4

MI

autonomic nervous system imbalance

electrolyte imbalance

idiopathic

hypothermia

drug

trauma

damage to CNS