1424 results
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
#tachenoir #eschar #fever #Rash #rickettsia #rickettsial #parkeri #akari #africae #conorii #orientia #tsutsugamushi #tick #mite 
By Dr.
#fever #Rash #rickettsia ... #rickettsial #parkeri
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Campylobacter, Rickettsiae ... Giardiasis #Erythema
Typical therapeutic applications of Tetracyclines (Doxycycline)
Gram (+) cocci: Staphylococcus aureus (including methicillin-resistant strains), Streptococcus pneumoniae
Gram (+)
species Other: Rickettsia ... rickettsii #Tetracyclines
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Disseminated gonorrhea, Rickettsial ... Noninfectious: SJS/TEN, Erythema
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... Campylobacter spp., rickettsiae ... malignancies #Erythema
Cutaneous and Systemic Findings in Dermatomyositis
Cutaneous Findings:
 - Heliotrope sign and edema
 - Nail-fold changes
 -
- Heliotrope sign ... or shawl sign ... - Gottron's sign ... cutis - Scalp erythema ... scale - Holster sign
Abdominal Pain - Physical Examination Signs and Maneuvers
 - Murphy's sign
 - Kehr's sign
 - McBurney's
- Kehr's sign ... - McBurney's sign ... - Psoas sign ... - Obturator's sign ... - Cough sign
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... EAC), This is erythema ... the “figurate erythemas ... the border of erythema ... #Erythema #Annulare
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythemas Summarized ... Erythema ab igne ... Erythema annulare ... Erythema arthriticum ... Erythema elevatum