24 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
or absence of fever ... If fever is present ... disease, scarlet fever ... but without a fever ... #Diagnosis #Dermatology
Acute Schistosomiasis: Katayama Fever
 • Most common in travelers and children
 • "Swimmers Itch" in the
Schistosomiasis: Katayama Fever ... exposure) • Fever ... Schistosomiasis #Katayama #Fever ... #diagnosis #clinical ... #photo
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Rapid onset of fever ... sepsis: chronic liver ... #cellulitis #dermatology ... #legs #clinical ... #photo
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... Red Flags: • Fever ... #Differential # ... #Causes #dermatology
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
extensive skin rash ... Criteria for Diagnosis ... Fever >38.5 2. ... Resolution > 15 days Differentials ... DRESS #Syndrome #dermatology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
Risk factors: Critical ... explain symptoms • Fever ... pulmonary edema) • Fever ... #hematology #diagnosis ... #comparison #table
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
deficiency • Liver ... mountain spotted fever ... • Drug reactions ... #Diagnosis #hematology ... #nonpalpable #dermatology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
S/sx: Fever, flank ... have drop in Hct, fever ... maculopapular rash ... Sx include: fever ... eruptions, diarrhea, liver
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
• Headache • Fever ... Maculopapular rash ... • Common clinical ... meningeal signs (fever ... #diagnosis #neurology
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis Rash ... ▪ “Rash” (75% ... ) ▪ Malaise, fever ... #Diagnosis #Clinical ... #Photo #Dermatology