Chest X-ray Flashcards
What can a deviated trachea TOWARDS the pathology suggest?
- Collapsed lung
- Lobectomy
What can a deviated trachea AWAY from the pathology suggest?
- Tension pneumothorax
- Effusion
When does the trachea bifurcate (carina)?
T4
What rib should the dome of the right diaphragm be on inspiration?
Between 5th and 6th ribs
What can over-expanded lungs suggest?
- Emphysema
- Acute asthma
- Bronchiolitis
What does absent lung fields suggest?
Pneumothorax
What 3 things does lung opacities suggest?
- Pneumonia
- TB
- Pulmonary oedema
What 3 things does an enlarged heart (>50% of thorax) suggest?
- Heart failure
- Hypertension
- Hypertrophic cardiomyopathy
What does a stomach bubble in the left chest above the diaphragm suggest?
Diaphragmatic rupture following trauma or congenital diaphragmatic hernia
What does free air below the right diaphragm suggest?
Escaped air/gas from ruptured hollow abdominal viscus
What are 2 possible causes of surgical emphysema?
- Trauma
2. Severe asphyxia
What 2 things do calcium deposits in great vessels suggest?
- Atheroma
2. Atherosclerosis
List some potential causes of widened mediastinum?
- Adenopathy- sarcoid, TB, tumour
- Aortic dissection- following trauma, atherosclerotic disease/hypertension or associated with Marfan’s/Turner’s syndrome
- Mediastinal emphysema- asthma, asphyxia, ruptured trachea/oesophagus
What 3 types of injury can a plain chest x-ray show?
- Pneumothorax
- Lung contusion
- Haemothorax
What 4 types of lung pathology can a plain chest x-ray show?
- Infection (pneumonia, TB)
- Tumour (primary, secondary)
- Inflammation (alveolitis)
- Swallowed foreign body
What 2 types of mediastinal pathology can a plain chest x-ray show?
- Enlarged glands (lymphoma, sarcoid)
2. Pneumomediastinum (asthma, ruptured oesophagus)
What 4 types of cardiac pathology can a plain chest x-ray show?
- Heart size
- Abnormal chamber size
- Calcification of valves
- Pulmonary oedema
What 3 other things can a plain chest x-ray show?
- Position of chest drains, long lines, feeding tubes, endotracheal tubes etc.
- Air under diaphragm in perforated hollow abdominal viscus
- Rickets, bone metastasis
What type of imaging is the 1st choice for thoracic tumours?
MRI
List the 5 clinical features on a chest x-ray for interstitium pulmonary oedema (ABCDE)?
- Alveolar oedema (bat wings)
- kerley B lines
- Cardiomegaly
- upper lobe Diversion
- pleural Effusion