26 results
#tachenoir #eschar #fever #Rash #rickettsia #rickettsial #parkeri #akari #africae #conorii #orientia #tsutsugamushi #tick #mite 
By Dr.
#fever #Rash #rickettsia ... #rickettsial #parkeri
Rickettsiae: Spotted Fever group

R. rickettsii 
R. parkeri 
R. philipii / Rickettsia 364D
R. africae 
R. australis 
R.
Rickettsiae: Spotted ... Fever group R. rickettsii ... R. philipii / Rickettsia ... reserved for severe rickettsial ... #Rickettsiae #SpottedFever
Rickettsiae: the typhus fever group 

Typhus group Rickettsiae have non-tick vectors. 

 - IDagram
@ID_agram

#Rickettsiae #typhus #fever
Rickettsiae: the ... Typhus group Rickettsiae ... @ID_agram #Rickettsiae
Typical therapeutic applications of Tetracyclines (Doxycycline)
Gram (+) cocci: Staphylococcus aureus (including methicillin-resistant strains), Streptococcus pneumoniae
Gram (+)
species Other: Rickettsia ... rickettsii #Tetracyclines
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
anthrax, tularemia, Rickettsia ... Rickettsialpox), Rickettsia ... (Boutonneuse), Rickettsia
Tick Borne Illnesses
 • Lyme (Borrelia)
 • Babesiosis (Babesia)
 • Human Monocytic Ehrlichiosis (Ehrlichia)
 • Human
Spotted Fever (Rickettsia
Rickettsialpox Eschar

40 homeless male from NY admitted with fever, chills, headache, myalgias. Diagnosis?
Rickettsialpox R akari classic
mouse mite so rickettsial ... cells as in other rickettsia ... bite fever Tx: rickettsial
Causes of CSF Lymphocytic Pleocytosis - Differential Diagnosis
Viral: Arbo, Adeno, Herpes, Entero, HIV
Fungal: Cryptococcus, Cocci, Histo,
, M.pneumonia, Rickettsia
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Campylobacter, Rickettsiae
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Aureus, Strep, Rickettsia