lung Q: Vascular + infections

Vascular lung disease:

What causes respiratory failure in ARDS (pathogenesis)?

Can you treat ARDS with supplemental O2?

Pulmonary infections:

 What 3 patterns of PNA may be seen on x-ray? Describe each:

 What are the bodies defense mechanisms for the following:

·      >several microns

·      approx micron:

·      <micron:

Name 3+ complications of PNA

Which types of PNA are being described below?

• ·      phagocytosing macrophages + giant cells:_______________
•      patchy, neutrophilic fibrinopurulent exudate in distal airways/alveoli:__________
•      goes through stages (congestion v red hepatization v grey hepatization v resolution):__________

List some of the unique pulmonary infections AIDS patients are suseptable to due to their low T cell count:

All of the following about TB is true except

• ·      Caseating granulomas
• ·      Ghon lesion is a localized infection that drains to hilar LN (Ghon complex)
• ·      Tuberculoma is an upper lobe cavitation
• ·      If a patient becomes immunocomprosed they can have a reactivation = secondary TB

 Post pneumonic abscesses commonly result from which 2 organisms?

 Foul smelling purulent material is associated with what type of pneumonia? What type of bacteria would be seen in their abscess?

Fungal disease: match the following: histoplasmosis, coccidoides, cryptococcous, aspergillus, zucor

• ·      Found in ohio river valley
• ·      Found in san jauquin area of SW:
• ·      Budding yeast with prominent polysaccharide coat:
• ·      Endospores:
• ·      Right angle branching:
• ·      Maybe associated with hypersensitivity allergic pattern:
• ·      Identified as budding yeast on silver stain:
• ·      Maybe found in TB cavitary lesion: