13 Pneumonia
![](https://photos.thisispiggy.com/file/wikiFiles/wn74fQw.jpg)
Lobar
![](https://photos.thisispiggy.com/file/wikiFiles/8XTaDh5.jpg)
- involves one or more lobes of lungs, ultimately entire lung
![](https://photos.thisispiggy.com/file/wikiFiles/n8seDcM.jpg)
- currant jelly sputum
- currant jelly stool different (intussusception)
![](https://photos.thisispiggy.com/file/wikiFiles/rDgD4ys.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/XWmxClA.jpg)
- 2: lung becomes to look like the liver, red
- exudates give lung red color
![](https://photos.thisispiggy.com/file/wikiFiles/WFiQib8.jpg)
- gray: everything is dying
- 4: return to normal, regen, little scarring
Bronchopneumonia
.
![](https://photos.thisispiggy.com/file/wikiFiles/0zNvm1D.jpg)
- splotches everywhere instead of 1 lobe
- staph aureus, H. influenza, pseudomonas, moraxella, legionella
Legionella
![](https://photos.thisispiggy.com/file/wikiFiles/tuqAH7h.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/6UaA7kt.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/btJVXV3.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/2QPDTph.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/0fm3xvw.jpg)
Interstitial Pneumonia
![](https://photos.thisispiggy.com/file/wikiFiles/cSIz45Q.jpg)
- streaky white lines in both lung fields
- more benign
- pts not as sick
![](https://photos.thisispiggy.com/file/wikiFiles/fPtePc4.jpg)
- atypical because not strep pneumoniae
- RSV: most common atypical in infants
- CMV: atypical with post transplant immunosuppression
- Influenza: elderly
- Coxiella: Q fever
- PCP: HIV
Influenza
![](https://photos.thisispiggy.com/file/wikiFiles/3PvwOjP.jpg)
- nonspecific symptoms
- damage mucociliary escalator
Mycoplasma
![](https://photos.thisispiggy.com/file/wikiFiles/SDklNg2.jpg)
CMV
![](https://photos.thisispiggy.com/file/wikiFiles/he3Foug.jpg)
- clearing around dark material
RSV
![](https://photos.thisispiggy.com/file/wikiFiles/RwYOA36.jpg)
- wheezing: infect and narrow the bronchioles
![](https://photos.thisispiggy.com/file/wikiFiles/FprP0aC.jpg)
- CHD: can have life threatening disease if infected with RSV
![](https://photos.thisispiggy.com/file/wikiFiles/kEJ1h5J.jpg)
PCP
![](https://photos.thisispiggy.com/file/wikiFiles/ck3nlov.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/PJBrx6U.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/zRKynQP.jpg)
Other Causes
Age
![](https://photos.thisispiggy.com/file/wikiFiles/An1Brby.jpg)
- neonates: same bug that causes meningitis, come from mother and passed to baby
![](https://photos.thisispiggy.com/file/wikiFiles/W9G3tgs.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/Dko5I4U.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/OtgcNMf.jpg)
- clinically, don't isolate bug, treat based on symptoms
- VAP: get while on ventilator
![](https://photos.thisispiggy.com/file/wikiFiles/6C705Q5.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/9CaYBtx.jpg)
- levo usually just given because can treat all kinds of pneumonia
![](https://photos.thisispiggy.com/file/wikiFiles/LcFFsLd.jpg)
Aspiration
![](https://photos.thisispiggy.com/file/wikiFiles/pD87E5a.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/dDJM85m.jpg)
- anaerobic bacteria normally present in oral cavity
Symptoms
![](https://photos.thisispiggy.com/file/wikiFiles/vl4yzHU.jpg)
- chest pain on inhalation from stretching of pleura
![](https://photos.thisispiggy.com/file/wikiFiles/0y7HTmj.jpg)
- lavage: liquid solution, collect cells in lungs
![](https://photos.thisispiggy.com/file/wikiFiles/FZakhjB.jpg)
ARDS
![](https://photos.thisispiggy.com/file/wikiFiles/yZCSbna.jpg)
- same problem as pulmonary edema in HF but leaky vasculature instead of hydrostatic pressure
![](https://photos.thisispiggy.com/file/wikiFiles/9SNNPsI.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/Qc9kf88.jpg)
- set low TV and higher RR to compensate: less injury to lungs
Lung Abscesses
![](https://photos.thisispiggy.com/file/wikiFiles/tZ1sgYG.jpg)
- aspirate anaerobes and cause abscess
![](https://photos.thisispiggy.com/file/wikiFiles/jamBsPd.jpg)
- walled off area on imaging with fluid at bottom (pus)
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