Thoracic Trauma

Question 1

Most common cause of tension pneumothorax

Answer 1

Mechanical ventilation in a person with pleural injury

Question 2

What is flail chest?

Answer 2

Chest wall disconnects from thoracic cage

Question 3

Cause of flail chest

Answer 3

Multiple rib fractures (at least 2 fractures per rib in 2 ribs)

Question 4

Presentation of flail chest

Answer 4

Broken ribs

Abnormal chest motion

Question 5

What is flail chest associated with?

Answer 5

Pulmonary contusion

Question 6

Most common cause of pneumothorax

Answer 6

Lung laceration with air leakage

Question 7

Most common cause of haemothorax

Answer 7

Laceration of lung, intercostal vessel or internal mammary artery

Question 8

Presentation of cardiac tamponade

Answer 8

Becks triad

• elevated venous pressure
• reduced arterial pressure
• reduced heart sounds

Question 9

What does a blunt cardiac injury occur secondary to?

Answer 9

Chest wall injury

Question 10

Sequelae of a blunt cardiac injury

Answer 10

ECG may show MI
Hypotension
Arrhythmias
Cardiac wall motion abnormalities

Question 11

What side is diaphragm disruption more common on?

Answer 11

Left side