Flashcards in ID Deck (116)
What hematologic laboratory abnormality may be found in patients with infection by the organism Rickettsia ricketsii ?
This infection causes Rocky Mountain spotted fever, a disease which affects the vascular endothelium. Thrombocytopenia is a common lab abnormality found in these patient
what bug causes vomiting and diarrhea within hours of ingestion?
S. aureus can cause severe diarrhea and vomiting within hours of ingestion due to the toxin produced in the body as a consequence of ingesting this food.
what sexually transmitted dz would Intracytoplasmic inclusions be seen on dx testing?
found during diagnostic testing, would confirm the diagnosis of Chlamydia
yeast in the blood
tx of fungemia?
Amphotericin B, Flucytosine or Fluconazole
Cryptococcus Neoformans is found
soil from pigeon poop, pulmonary and CNS/visual symptoms, think immunocompromised
Cryptococcus Neoformans Dx
Crypotcoccal antigen in CSF or serum. India ink stain
Cryptococcus Neoformans tx
Amphotericin B or Fluconazole for 10 weeks
Dimorphic fungus found in soil/bird poop/bat poop in mississippi and ohio
Fever, cough, mouth ulcers, wt loss, retinal deposits
● Chronic progressive pulmonary and Calcified nodules
Tx: Long term itraconazole, Amphotericin B
chest x ray for histoplasmosis will show?
CXR will show miliary infiltrates
Pneumocystis Jiroveci (PCP/PJP) x rays finding
diffuse interstitial infiltrates, “Bat wing pattern
Pneumocystis Jiroveci (PCP/PJP) dx
BAL or induced sputum
tx of Pneumocystis Jiroveci (PCP/PJP
TMP/SMX, steroids if PO2
Pneumocystis Jiroveci (PCP/PJP most common opportunistic infection of ______patients
Tx for Botulism
Botulinum antitoxin from CDC
rheumatic fever is caused by
Group A Streptococcus (S. pyogenes)
how long after strep hemolytic infection does rheumatic fever show up
botulism symtoms Ds
double vision, droopy head, difficulty speaking, dilated pupils and dry mouth
Major Criteria Jones criteria
Polyarthritis, Carditis, Nodules, Chorea, Erythema
Arthralgias, Fever, Leukocytosis, Elevated CRP/ESR,
prolonged PR interval
Risus sardonicus (spasm of the facial muscles causing a
“joker smile”) and Opisthotonus (spasm causing body to go into extreme hyperextension)
hypersecretion of water & chloride → massive diarrhea →
hypovolemia and metabolic abnormalities
Oral rehydration, antibiotics shorten course (Tetracycline, Ampicillin, TMP/SMX, Quinolones)
Transmitted by respiratory secretions (trachea)
Deadly for infants
complications of Corynebacterium diptheriae
Exotoxin causes myocarditis/neuropathy
Enteric fever (typhoid fever) is caused by
salmonella (pea like diarrhea and will have fever)
systemic symptoms of enteric fever?
splenomegaly, abdominal distension/tenderness, paradoxical bradycardia (low HR even with fever), rash in week 2 (faint pink papular rash on trunk that fades with pressure)