Tension Pneumothorax

What does the diaphragmatic pleura cover and what recesses are associated with it?

It covers the diaphragm and is related to the right and left costodiaphragmatic recesses

What does the mediastinal pleura form and what recesses are associated with it?

It forms the lateral borders of the mediastinum and is associated with the right and left costomediastinal recesses.

What is the pulmonary ligament and its function?

A cuff of pleura at the hilum that allows for movement of pulmonary vessels and the primary bronchus during breathing

What major structures are at risk with a stab wound 2–3 cm superior to the medial 3rd of the clavicle on the right side?

Right subclavian artery and vein, suprapleural membrane, cervical pleura, and apex of the lung.

What is the suprapleural membrane and what is its shape?

A dense dome shaped fibrous sheath.

To what structures is the suprapleural membrane attached?

First rib and costal cartilage, C7 TP, and fascial structures in the neck.

What are the functions of the suprapleural membrane?

Protects the underlying pleura and resists changes in intrathoracic pressure.