12 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... - Trauma - Infection ... Disseminated gonococcal infection ... #Causes #dermatology
Fluid-filled Rash - Diagnostic Algorithm.  Pustule: 1) Pustules more commonly suggest an infectious process (bacterial,
Fluid-filled Rash ... - Diagnostic Algorithm ... commonly suggest an infectious ... #Diagnosis #Dermatology ... #Differential #
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... - Differential ... Diagnosis Algorithm ... foliaceus - Infectious ... Vesiculobullous #SkinRash #dermatology
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential ... Diagnosis Algorithm ... borders of lips Infectious ... Pustular #SkinRash #dermatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Purpura - Diagnostic Algorithm ... integrity (trauma, infection ... #Diagnosis #Dermatology ... #Rash #Petechiae ... #Differential #
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
inflammation or infection ... petechial or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash ... #Differential
Monkeypox

What?
Monkeypox virus belongs to the family Poxviridae, subfamily Chordopoxvirinae, and genus orthopoxvirus
Viral zoonotic disease that is
risk factors for infection ... be involved DDX ... sexually transmitted infections ... Cutaneous bacterial infections ... #Dermatology
Powassan Virus Infection
 • Prodrome +/- fine erythematous rash → sudden onset fever, neurological deficits
 •
Powassan Virus Infection ... fine erythematous rash ... Powassan #Virus #Infection ... #diagnosis #management ... #neurology
Rickettsialpox Eschar

40 homeless male from NY admitted with fever, chills, headache, myalgias. Diagnosis?
Rickettsialpox R akari classic
other rickettsia) Dx ... : serology; pcr ... vesicle swabs; other infections ... Indiana University Infectious ... photo #skinrash #dermatology
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 ... Syndrome #Diagnosis #Management ... #Hematology #Rheumatology