Imaging Flashcards
What is normal on CXR
Air pocket on L side above diaphragm
What causes a cavatating lesion
Abscess SCC of lung TB PE RA Vasculitis Fungal
What cause abscess
S.Aureus
Klebsiella - common in DM / alcohol
Pseudomona
What causes lobar collapse
Cancer
Obstruction - Asthma / COPD
Foreign body
Post -op
What are signs of lobar collapse
Mediastinal shift to affected side
Elevation of hemidiaphragm
Other areas of lung hyper lucent
What metastasis to lung
Breast Colorectal Renal Bladder Prostate
Where is NG tube positioned
Below diaphragm in stomach If pH <5.5 = safe to feed If >5.5 = check position with a CXR Should go down straight If wrong = pneumonia
What causes mediastinal widening
Patient position Goitre Lymhpoma Thymus tumour Teratoma Thoracic AA
What does pulmonary oedema look like
Alveolar odema B lines - Kerly Cardiomegaly if cardiac Dilated upper lobe Effusion - pleural Fluid in horizontal fissure
What causes a white lung shadow
Consolidation Pleural effusion Pneumonectomy Collapse Oedema Lesion e.g. tumour
If there is a white out what do you do
Assess trachea position
What does trachea going towards white shadow suggest
Pneumonectomy
Complete collapse
Pulmonary hypoplasia
What does central trachea suggest
Consolidation
Oedema
Mesothelioma
What does trachea going away suggest
Pleural effusion
Diaphragmatic hernia
Large mass
Pneumothorax
Loss of lung markings due to collapsed lung
White rim around
