Med Micro Exam 2 Pathogen Anchors

Acid fast bacilli, cavitary lung lesions, recent travel/immigration, bloody cough, weight loss

Mycobacterium tuberculosis

acid fast bacilli, AIDS, diarrhea, no lung lesions, fever, weight loss, lady windermere syndrome

MAC

acid fast bacilli, cannot be cultured, numb skin patches, hypopigmented skin lesions, thickened peripheral nerves, facial lesions

mycobacterium leprae

gram negative “coffee bean” diplococci, sexually active, purulent discharge, septic arthritis (joint aches), needs enriched media to grow

neisseria gonorrhoeae

encapsulated gram-negative “coffee bean” diplococci, petechial rash, dorms/barracks, stiff neck, vomiting, light sensitivity, termical complement deficiency

neisseria meningitidis

small gram-negative coccobacilli, unvaccinated child, epiglottitis or “cherry red” swolen airway, seizures

haemophilus influenzae type b

small gram negative coccobacilli, no capsule, localized mucosal respiratory infections, child with ear infection or adult with chronic bronchitis

nontypeable haemophilus influenzae