[13] Pulmonary Stenosis Flashcards Preview

A - MSRA Paediatrics [15] > [13] Pulmonary Stenosis > Flashcards

Flashcards in [13] Pulmonary Stenosis Deck (12)
Loading flashcards...
1
Q

What is pulmonary stenosis?

A

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

2
Q

How do most cases of pulmonary stenosis present?

A

They are mostly asymptomatic

3
Q

How can critical pulmonary stenosis present in some neonates?

A

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

4
Q

What are the signs of pulmonary stenosis?

A
  • Murmur
  • Ejection click
  • Right ventricular heave (when severe)
5
Q

Describe the murmur in pulmonary stenosis?

A

Ejection systolic

6
Q

Where is the murmur best heard in pulmonary stenosis?

A

Upper left sternal edge

7
Q

Where is the ejection click best heard?

A

Upper left sternal edge

8
Q

What investigations may be used in pulmonary stenosis?

A
  • CXR
  • ECG
  • Echo
9
Q

What might be seen on CXR in pulmonary stenosis?

A

Normal or post-stenotic dilatation of the pulmonary artery

10
Q

What might be seen on ECG?

A

Evidence of RVH (upright T wave in V1)

11
Q

When is intervention required in pulmonary stenosis?

A

When pressure gradient across the valve is >64mmHg

12
Q

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

A

Transcatheter balloon dilatation

Decks in A - MSRA Paediatrics [15] Class (115):