1. The basics

Question 1

What leads view the INFERIOR surface of the heart?

Answer 1

II, III, aVF

Question 2

What leads view the LATERAL surface of the heart?

Answer 2

I, aVL

Question 3

What leads view the RIGHT-VENTRICULAR surface of the heart?

Answer 3

aVR, V1

Question 4

What leads view the ANTERIOR surface of the heart?

Answer 4

V2, V3, V4

Question 5

What leads view the LEFT LATERAL surface of the heart?

Answer 5

I, aVL, V5, V6

Question 6

Name two leads that are opposites

Answer 6

aVR and lead 2 are opposites

Question 7

Describe lenght and height of EKGs

Answer 7

Question 8

C’est quoi la longueur normale de l’intervalle PR

Answer 8

Intervalle PR = less than 0.2 secs (less than a large box)

Question 9

C’est quoi la longueur normale du complexe QRS

Answer 9

less than 0.12 secs (3 little boxes) = narrow

Question 10

C’est quoi la longueur normale du segment QT

Answer 10

Intervalle QT (numbers to be thorough, but only really dangerous if above 500) =
* Male < 430 msecs
* Female < 460 msecs

Question 11

What does the P wave represent?

Answer 11

Atrial depolarization

Question 12

What does the QRS complex represent?

Answer 12

the depolarization of ventricles

Question 13

What does the T wave represent?

Answer 13

Ventricular repolarization