13 results
#tachenoir #eschar #fever #Rash #rickettsia #rickettsial #parkeri #akari #africae #conorii #orientia #tsutsugamushi #tick #mite 
By Dr.
#tachenoir #eschar ... #fever #Rash #rickettsia ... febrilepodcast] #ID ... #Differential # ... Ddx #Diagnosis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... • Rheumatic fever ... Sarcoidosis #dermatology ... #skin #rashes #differential ... #diagnosis #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
lesions (9.4%) • Maculopapular ... reticularis Differential ... Polyangiitis #GPA #dermatology ... #rash #diagnosis ... #rheumatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Diagnosis Algorithm ... inclusions - If infection ... bartonella (oroya fever ... #Diagnosis #Algorithm ... #workup #hematology
Rickettsialpox Eschar

40 homeless male from NY admitted with fever, chills, headache, myalgias. Diagnosis?
Rickettsialpox R akari classic
Diagnosis? ... other rickettsia) Dx ... Indiana University Infectious ... Diseases Fellowship ... photo #skinrash #dermatology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
in vasculitic diseases ... inflammation or infection ... petechiae/purpura with fever ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Causes of Fever in the Immunocompromised Host - Differential Diagnosis Algorithm
Structural Defect - Asplenia/HypospIenism
 • Bacteremia/Septic
Causes of Fever ... Diagnosis Algorithm ... • Periodontal Disease ... #Diagnosis #Algorithm ... #Causes #Hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Petechial or purpuric rash ... kidney failure DDX ... SLE], AOSD) • Infection ... #Management #Hematology ... #Rheumatology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Lymphadenopathy • Fevers ... weeks without infection ... cells can indicate disease ... lymphocyte > 5000/microL ... workup #oncology #hematology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... , mucositis • Rash ... vesicles, pustules, maculopapular ... drug exposure or Dx ... #Diagnosis #Rheumatology