Intro to chest radiography Flashcards
Indications for CXR
- dyspnea, cough, hemoptysis
- chest pain
- FEVER (pneumonia)
- weight loss
T or F. The heart will appear larger in a AP CXR than a PA one
T. Due to ‘lattern’ effect
IMPORTANT
Acinar= Alveolar = airspace Disease
Acinar shadows= ‘dots’
Air bronchograms are indicative of ____
pneumonia
Rust colored sputum is indicative of what?
pneumonia
What bug causes necrotizing pneumonia?
- klebsiella (jelly colored sputum)
- MRSA
How would you treat pulmonary edema in CHF?
Lasix works well
What are some radiologic signs of CHF?
- Cephalization (very early)
- Cardiomegaly
- Perihilar infiltrates
- Peribronchial cuffing
- Kerley B lines
When are Kerley B lines seen?
in patients with chronic pulmonary edema (enlargement of lymphatics due to edema drainage)
What is cephalization?
When blood vessels in the upper lobes become enlarged and are as prominent as the lower lobes with CHF
What things can cause bilateral hilar and mediastinal LAD?
- lymphoma
- Histoplasmosis
- Phenytoin use
- HIV
- Castleman’s disease
- Sarcoidosis
- TB
Sarcoidosis is associated w/ what?
well-formed, non-caseating granulomas in young AA females (reticulonodular pattern on CXR)
What are some causes of necrotizing pneumonia (sputum may be red)?
- Staph aureus
- Klebsiella (red currant jelly sputum)
- Pneumococcus
What does a honeycomb pattern indicate?
advanced stage interstitial disease
A patient with a pneumothorax is going to be ______ to percussion
hyper-resonant
