microbio - context clues and other extras Flashcards
“Bull neck” appearance + pseudomembrane
Diphtheria
Pale, greasy, malodorous stools with malabsorption after drinking untreated stream or lake water
Giardia lamblia
19yr old man develops fever, sore throat, malaise, headache, nausea, and rash on the lower parts of both is arms and legs
Rickettsia rickettsii
Travel to Europe + tick bite + flu-like + ecchymoses + petechiae
Babesia
Travel to US (Oklahoma/Arkansas/Missouri) + wild rabbits + tabanid fly
Tularemia
Army barracks + flu like+ maculopapular rash + petechiae
Meningococcemia (n.meningitidis)
Camping + tick bite + flu like + blanching macules
Rocky Mountain spotted fever (rickettsia rickettsii)
Hemorrhagic vesicles surrounded by a rim of erythema with central necrosis or ulceration
Erythema gangrenosum (p.aeruginosa and A.hydrophila)
Trauma/post-op incision + red, hot, shiny, swollen + exquisite tenderness
Necrotizing fasciitis (group A strep)
Transplant recipients + diabetes, elderly, Cancer patients + meningismus
Bacterial meningitis ( strep.pneumoniae)
Para nasal infection + fever + nuchal rigidity + brainstem signs
Subdural empyema (microaerophilic staph and strep)
Facial or sphenoidal sinus infection + unilateral + retro-orbital headaches
Septic cavernous sinus thrombosis (staph)
Ethmoid or maxillary sinus infection + nuchal rigidity + brain stem signs
Septic thrombosis of the superior Sagittal sinus (s.pneumoniae)
Travel + fever + jaundice + bleeding + neurologic signs
Fulminant malaria (p.falciparum)
Endocarditis + injection drug users + tricuspid valve
Staph aureus
Ingestion of shellfish + flu like + hypotension + bullous lesions + leg pain
Vibrio vulnificus
Most commons presenting sign of liver abscess
Fever
Inflammatory diarrhea + poultry + raw milk
Campylobacter jejuni
Dysentery + mollusks + crustaceans
Vibrio parahemolyticus