31 results
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Travelers from ... Frequent Differential Diagnoses ... without localizing signs ... #differential #diagnosis ... #tropical #travel
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
Fever of Unknown ... Refer to your ‘Fever ... thin smear • Signs ... values supporting hematologic ... UnknownOrigin #workup #diagnosis
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... Sweet syndrome, Vasculitis ... #Rash #Differential ... #Diagnosis #dermatology
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
and Rash - Diagnostic ... WNV, Mycoplasma, Leptospirosis ... Parvovirus B19 (PPGSS), Vasculitis ... #Rash #Febrile ... #Diagnosis #Algorithm
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... • Rheumatic fever ... Hypersensitivity vasculitis ... #differential #diagnosis
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
Biphasic Illness of Leptospirosis ... -14 days): • Fever ... maculopapular rash ... Biphasic #Phases #Diagnosis ... #Illness #Signs
Acute Schistosomiasis: Katayama Fever
 • Most common in travelers and children
 • "Swimmers Itch" in the
Schistosomiasis: Katayama Fever ... Most common in travelers ... or urticarial rash ... #diagnosis #clinical ... #photo
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
psittaci/avian, leptospirosis ... yersinia/rats, Q fever ... ) - Returning travelers ... disorders: - Vasculitis ... NonResolving #Pneumonia #diagnosis
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
the Nikolsky sign ... erythematous rash ... or Nikolsky sign ... #Diagnosis #Dermatology ... #Erythematous #Rash
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
petechiae/purpura with fever ... petechiae/purpura with fever ... petechial or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash