1E-THE ECG YO

Question 1

How many electrodes are used for a 3 lead ECG?

Answer 1

4 electrodes used for the 3 lead ECG! (one ground)

Question 2

Which lead is our “50 yd line” view?

Answer 2

Lead II (R and Leg)

Question 3

How many electrodes are used for a 12 lead ECG? Where are they placed?

Answer 3

10 electrodes used…6Precordial (chest)..4Limb

Question 4

What is the P wave?

Answer 4

Depolarization of the Atria

Question 5

What is the QRS complex?

Answer 5

depolarization of the ventricles

Question 6

What is the T wave?

Answer 6

Repolarizatoin of the ventricles

Question 7

What is the PQ segment?

Answer 7

impluse traveling thru AV, His, branches

Question 8

What is in charge with normal sinus rhythm?

Answer 8

SA node!

Question 9

What is overdrive suppression?

Answer 9

The backup and third string QBs!!

Question 10

What are the two Latent Pacemakers?

Answer 10

AV node and Purkinje fibers

Question 11

What is normal HR for SA node doing the work?

Answer 11

60-100 BPM

Question 12

What is the normal HR for AV node doing the work?

Answer 12

40-60 BPM

Question 13

What is the normal HR for Purkinje Fibers doing the work?

Answer 13

15-40 BPM