1E-THE ECG YO Flashcards Preview

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Flashcards in 1E-THE ECG YO Deck (13)
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1
Q

How many electrodes are used for a 3 lead ECG?

A

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

2
Q

Which lead is our “50 yd line” view?

A

Lead II (R and Leg)

3
Q

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

A

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

4
Q

What is the P wave?

A

Depolarization of the Atria

5
Q

What is the QRS complex?

A

depolarization of the ventricles

6
Q

What is the T wave?

A

Repolarizatoin of the ventricles

7
Q

What is the PQ segment?

A

impluse traveling thru AV, His, branches

8
Q

What is in charge with normal sinus rhythm?

A

SA node!

9
Q

What is overdrive suppression?

A

The backup and third string QBs!!

10
Q

What are the two Latent Pacemakers?

A

AV node and Purkinje fibers

11
Q

What is normal HR for SA node doing the work?

A

60-100 BPM

12
Q

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

A

40-60 BPM

13
Q

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

A

15-40 BPM