Case study: VSD (to study the blood circulation)

Case study: ventricular septal defect
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Slide 1: Slide
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This lesson contains 22 slides, with interactive quizzes, text slides and 1 video.

time-iconLesson duration is: 25 min

Items in this lesson

Case study: ventricular septal defect

Slide 1 - Slide

Case study set up
  1. You are being led through the case with questions and some theory.
  2. In the end, you will have learned about the heart and the blood circulation by studying this case.

Slide 2 - Slide

General information
Arteries = slagaders = blood vessels that carry blood away from the heart
Veins = aders = blood vessel that carry blood towards the heart

Slide 3 - Slide

Read page 106 and 107 and study the figures

Slide 4 - Slide

The pulmonary artery...
A
... goes from the lung to the heart
B
... goes from the heart to the lung

Slide 5 - Quiz

The aorta is a large artery. Which circulation is the aorta part of?
A
Pulmonary circulation
B
Systemic circulation

Slide 6 - Quiz

Pictures of the heart look like this. But... how to look at it?
A
The right side on the picture is also the right side in the body
B
The right side on the picture is the left side in the body

Slide 7 - Quiz

Our blood circulation is a 'double circulatory system'. What does it mean?

Slide 8 - Open question

Introduction to VSD
VSD = ventricular septal defect
This is a disorder where the two sides of the heart are connected, while they should be separated.

Slide 9 - Slide

VSD
On the right, you can see a GIF showing VSD. As said, this defect makes a connection between right and left but it should actually be closed.
First, you are going to study the healty situation. Then, you are going to think about this case.

Slide 10 - Slide

6

Slide 11 - Video

00:16
The heart is separated into two halves. Why is this important?

Slide 12 - Open question

00:52
Blood entering the right atrium comes from...
A
... the right ventricle
B
... the lungs
C
... the rest of the body

Slide 13 - Quiz

00:57
Is the blood deoxygenated or oxygenated when it enter the right atrium?
A
It is deoxygated because if comes from the body
B
It is oxygenated because it comes from the lungs
C
It is deoxgenated because it comes from the lungs
D
It is oxygenated because it comes from the body

Slide 14 - Quiz

01:04
Blood entering the left atrium comes from...
A
... the left ventricle
B
... the lungs
C
... the rest of the body

Slide 15 - Quiz

01:09
The left atrium contains oxygated blood. Through which artery does it go the body?
A
The pulmonary artery
B
The aorta
C
The left atrium

Slide 16 - Quiz

01:30
What is the function of heart valves?

Slide 17 - Open question

Place the labels in the correct place in the picture.
Right atrium
Right ventricle
Left atrium
Left ventricle

Slide 18 - Drag question

Overview
Study the picture on the right. Make sure you understand there the blood goes and where it comes from. The next question will be about this.

Slide 19 - Slide

What is the correct order, if we follow an oxygen molecule that enters the body? Start at 'the lungs'.
The left ventricle
The right ventricle
The left atrium
The right atrium
The aorta
The lungs
The rest of the body

Slide 20 - Drag question

In this GIF, you can see the VSD and the blood flow.

Slide 21 - Slide

With VSD, blood can go from the left ventricle to the right ventricle and vice versa. With your knowledge of the blood flow and the heart, explain why this is a problem.

Slide 22 - Open question