Lung

Question 1

List 10 causes of absent lung sliding

Answer 1

1. Pneumothorax
2. Stiff lungs (COPD/Asthma)
3. Effusions
4. Apnea
5. Adhesions/consolidations
6. Chest tubes
7. Mainstem intubation
8. Pneumonectomy/transplant
9. Blebs
10. Subcutaneous emphysema
11. Phrenic nerve palsy

Question 2

List 5 causes of B Lines

Answer 2

Focal B Lines
1. Pneumonia
2. Atelectasis
3. Contusion
Diffuse B Lines
1. Cardiogenic pulmonary edema
2. Interstitial lung disease
3. ARDS
4. HAPE
5. Pre-eclampsia

Question 3

List 5 causes of A Lines with SOB

Answer 3

1. PE
2. COPD/asthma
3. Cardiac
4. Metabolic - acidosis, tox (MethHb)
5. Neurologic

Question 4

List 3 indicators of pleural malignancy

Answer 4

1. Pleural thickening > 10 mm
2. Diaphragmatic pleural thickenin > 7 mm
3. Pleural nodularity