9. Radiology 2 Flashcards
What should be visible in a CXR for it to be an adequate film?
1st rib
Lateral margin of ribs
Costophrenic angle
What are the problems with incomplete inspiration in a CXR?
Big heart
Increased lung markings
What is the systemic approach to CXR evaluation?
Patient demographics Projections Adequacy - rotation, penetration, inspiration Airway Breathing Circulation Diagram/bones Review areas
What is looked for in airway in CXR?
Trachea
Bronchi
What is looked at in breathing of CXR?
Lungs
Pleural spaces
Lung interfaces
What is looked for in diaphragm/bones in CXR?
Free gas
Nodules
Fracture/dislocation
Mass
What areas are commonly missed when looking at CXR?
Apices - pneumothorax Thoracic inlet - mass Paratracheal stripe - mass/lymph nodes AP window - lymph nodes Hila - mass/collapse Behind heart - mass Below diaphragm - pneumoperitoneum/mass Bones - fracture/mass
What does loss of the right heart border suggest?
Pathology in right middle lobe
What does loss of the left heart border suggest?
Pathology in lingula
What does loss of the paratracheal stripe suggest?
Mediastinal disease
What does loss of the chest wall silhouette suggest?
Lung/pleura/rib pathology
What does loss of the aortic knuckle suggest?
Anterior mediastinum/upper lobe pathology
What does loss of the diaphragm silhouette suggest?
Lower lobe pathology
What can cause constipation?
Filling of small airways/alveoli with pus (pneumonia), blood (haemorrhage), fluid (oedema), cells (cancer)
