CVPR Week 2: Heart model and ECG Part I

Question 1

Identify

Answer 1

Question 2

The P wave coincides with?

Answer 2

Question 3

QRS Complex coincides with?

Answer 3

Question 4

The T wave coincides with?

Answer 4

Question 5

How to identify rate on ECG

Answer 5

• look at the rhythm strip
• 1 big box = 0.2 seconds
• 1 little box = 0.04 seconds

Question 6

Big box method

Answer 6

Question 7

Find the rate

Answer 7

79 bpm

Question 8

How to identify the rhythm

Answer 8

• look for a P wave in front of QRS complex
• look for equidistance between different waveforms such as R waves

Question 9

Rhythm

Answer 9

equidistance between R waves and preceded by P wave

Question 10

Identify Rate and Rhythm

Answer 10

Question 11

ECG Intervals

Answer 11

Question 12

Axis in ECG

Answer 12

really talking about the axis of the ventricles

Question 13

How to place leads for ECG

Answer 13

Question 14

Direction of leads

Answer 14

right to left

Question 15

Lead 1

Answer 15

right arm to left arm

Question 16

What is this about?

Answer 16

Question 17

Leads through the heart

Answer 17

Question 18

Augmented leads

3 listed

Answer 18

• AVF
• AVR
• AVL

Question 19

AVF Lead location

Answer 19

Question 20

is the axis normal on an ECG

Answer 20

• because the AVF has an upward R that means there is a downward component
• upright lead in AVR lead 1 means leftward

so the axis is normal

Question 21

What can we tell about this ECG?

Answer 21

Question 22

leads locations in the heart

Answer 22

Question 23

How do cardiologists think about heart leads?

Answer 23

Question 24

If the depolarization was straight down?

Answer 24

Question 25

If the AVF is biphasic?

Answer 25

Question 26

find the lead that gives the least information

Answer 26

AVL travels

Question 27

Normal and abnormal axis

Answer 27

Question 28

Objectives

Answer 28