QRS

Question 1

A QRS complex follows the__________.

Answer 1

P wave

Question 2

A QRS COMPLEX represents_________.

Answer 2

depolarization of the ventricles.

Question 3

The amplitude of a QRS complex is __________.

Answer 3

5 to 30 mm high

Question 4

The duration of a QRS complex is __________.

Answer 4

0.06 to 0.10 seconds

Question 5

The first negative defection after the P wave is the _____.

Answer 5

Q wave

Question 6

The first positive deflection after the Q wave is the _____.

Answer 6

R wave

Question 7

First negative after the R wave is the _____.

Answer 7

S wave.

Question 8

Notched R wave may

signify a _____.

Answer 8

Bundle branch Block

Question 9

Wide QRS (greater than
0.12 seconds) signify\_\_\_\_\_\_\_\_\_\_.

Answer 9

Ventricular conduction delay

Question 10

Missing QRS may indicate

__________.

Answer 10

AV block or ventricular standstill.