Respiratory Disorders Flashcards
Most common cause of rhinitis
Adenovirus
Benign ttumor of nasal mucosa with blood vessels common in adolescent males
Angiofibroma
Nasopharngeyal CA is associated with
Epstein barr virus
Pleomorphic epithelial cells in a background of lymphocytes, which are keratin positive is biopsy report of?
Nasopharyngeal CA
Most common cause of Acute Epiglottitis
H influenza type B (immunized or not)
Drooling withdysphagia, muffle voice, inspiratoruy stridor is associated with
Epigglotitis
Barking cough and inspiratory stridor is associated with
Croup (laryngotracheobronchitis)
Most common cause of croup
Parainfluenza virus
Degenerative myxoid connective tissue on larynx
Vocal cord nodule
Chest pain in pneumonia is mediated by
Prostaglandin E2 and bradykinin (pleuritic)
Bacterial vs viral pneumonia xray finding
Bacteria - lobar or bronchopneumonia (patchy)
Viral - interstitial
Four phases of lobar pneumonia
Congestion
Red hepatization - development of exudate with RBC
Grey hepatization - RBC breaks down
Resulution
Stem cell of lung which regenerates alveolar air sac
Type IIpneumocyte
Organism - distribution of pneumonia
Strep pneumonia, Klebsiella - lobar
Staph aureus, H. influenza, Pseudomonas,. Moraxella, Legionella - bronchopneumonia
Interstitial - atypical (minimal symptoms) Mycoplasma, chlamydia, RSV, CMV Flu, Coxiella
Aspiration - bacteroides, fusobacterium, peptococcus
Pneumonia in COPD is ussualy what organism
Hemophilus influenza