Transient Tachypnoea of the new born (TTN)

Question 1

What type of condition is Transient tachypnoea of the new born?

Answer 1

Parenchymal lung disorder

Question 2

What is transient tachypnoea of the new born characterised by?

Answer 2

Pulmonary oedema resulting from delayed resorption and clearance of foetal alveolar fluid

Question 3

When does TTN usually occur?

Answer 3

After a caesarean section

Question 4

What is TTN the most common cause of in the new born?

Answer 4

Respiratory distress

Question 5

What is the cause of TTN?

Answer 5

Delayed resorption of lung fluid. (fluid in the lungs)

Question 6

What investigation can you do for TTN?

Answer 6

Chest x-ray

Question 7

What can be seen on a chest x-ray of someone with TTN?

Answer 7

Hyperinflated lungs

Fluid in the horizontal fissure on

Question 8

How is TTN usually diagnosed?

Answer 8

Clinically

Question 9

What is the management of TTN?

Answer 9

Oxygen

Question 10

Why is a new born with TTN given oxygen?

Answer 10

To maintain oxygen saturations

Question 11

How long does TTN take to resolve?

Answer 11

Only a few days (1-2 days)

Question 12

Why does TTN usually occur after a C-section?

Answer 12

Lung fluid not being ‘squeezed out’ during the passage through the birth canal