Pneumothorax Flashcards
What is a pnewwmothorax?
Air in pleural space
What are the types of pneumothorax?
Spontaneous
- Primary
- Secondary
Traumatic
Tension
Iatrogenic
What is a primary spontaneous pneumothorax?
Not associated with lung disease
What is a secondary spontaneous pneumothorax?
Associated with lung disease
- asthma
- COPD
- TB
- pneumonia
What are the symptoms?
Often no symptoms
Dyspnoea
Pleuritic chest pain
What are the risk factors for a pneumothorax?
Pre-existing lung disease Height Smoking Diving Trauma
Connective tissue disorders
What are the signs of a pneumothorax on examination?
Reduced expansion
Hyper-resonance
Reduced breath sounds
How do you manage a primary pneumothorax?
If symptomatic + >2cm rim of air
- give O2
- aspirate
If unsuccessful, consider reaspiration or chest drain
How do you manage a secondary pneumothorax?
Same as primary but lower threshold for ICD
Where do you insert a chest drain?
Safe triangle = anterior border of latissimus dorsi, lateral border of pec major, line superior to nipple and apex below axilla
What is a tension pneumothorax?
Air drawn into pleural space has no means of escape
What are the signs of a tension pneumothorax?
Hypotension
Tachycardia
Deviation of trachea away from pneumothorax
Mediastinal shift
How is a tension pneumothorax managed?
Large bore cannula into 2nd ICS midclavicular line