Respiratory Dry Room 3 Flashcards Preview

ZA - Yr 1 Systems Anatomy > Respiratory Dry Room 3 > Flashcards

Flashcards in Respiratory Dry Room 3 Deck (12)
Loading flashcards...
1
Q

What is in the intercostal spaces?

A

Intercostal muscle
Intercostal nerve
P. and A intercostal artery and vein

2
Q

What does the number of the intercostal space accord with?

A

The number of the rib above

3
Q

What are the 3 layers of intercostal muscle in order from superficial to deep?

A

External
Internal
Innermost

4
Q

What is the muscle fibre orientation of the 3 layers?

A

External - Infero-anteriorly
Internal - Infero-posteriorly
Innermost - Infero-anteriorly

5
Q

Where is the neurovascular bundle located between?

A

Internal and innermost

6
Q

Superior to inferior - name the order of the neurovascular bundle

A

VAN

7
Q

Which area of the intercostal space is the bundle located?

A

Top bit of intercostal space

8
Q

Does the internal and external muscles take up the whole intercostal space?

A

No - they become tendinous and develop into a thin aponeurosis

9
Q

How does the innermost intercostal muscle fill out the space and what fills out the rest?

A

Only fills the central half

Remainder filled anteriory by transversus thoracis muscles and posteriorly by subcostalis muscles

10
Q

What does each structure in the VAN bundle give off and where does it go?

A

A collateral bundle which goes to the top of the rib

So there is a collateral bundle on top of each rib

11
Q

Where is a chest drain normally located and where in the intercostal space and why?

A

4th/5th mid auxiliary line

Should be placed in lower half of intercostal space to avoid the VAN bundle

12
Q

Name the layers a needle goes through for a chest drain?

A
Skin
Superficial fascia
Deep fascia
External IM
Internal IM
Innermost IM
Parietal pleura into pleural cavity