[13] Pulmonary Stenosis Flashcards

1
Q

What is pulmonary stenosis?

A

Where the pulmonary valve leaflets are partly fused together giving restrictive exit from the right ventricle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How do most cases of pulmonary stenosis present?

A

They are mostly asymptomatic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How can critical pulmonary stenosis present in some neonates?

A

They have a duct-dependant pulmonary circulation and present with cyanosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the signs of pulmonary stenosis?

A
  • Murmur
  • Ejection click
  • Right ventricular heave (when severe)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Describe the murmur in pulmonary stenosis?

A

Ejection systolic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where is the murmur best heard in pulmonary stenosis?

A

Upper left sternal edge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Where is the ejection click best heard?

A

Upper left sternal edge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What investigations may be used in pulmonary stenosis?

A
  • CXR
  • ECG
  • Echo
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What might be seen on CXR in pulmonary stenosis?

A

Normal or post-stenotic dilatation of the pulmonary artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What might be seen on ECG?

A

Evidence of RVH (upright T wave in V1)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

When is intervention required in pulmonary stenosis?

A

When pressure gradient across the valve is >64mmHg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the treatment of choice in most children for pulmonary stenosis?

A

Transcatheter balloon dilatation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly