17 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... commonly renal and ... pulmonary #Diagnosis ... #Dermatology #Rash ... #Differential #Ddxof
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... for hepatitis B and ... #Petechiae #Rash ... #Differential #Diagnosis ... Algorithm #Causes #dermatology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
the etiology of palpable ... Palpable (raised ... or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Petechiae: punctate spots that arise from spontaneous bleeding secondary to profound thrombocytopenia. 
The spots (easily visible
Petechiae: punctate ... non-blanching and ... Images #Clinical ... #Photo #Dermatology ... #Rash #Petechiae
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... erythroderma, petechiae ... New-onset fever with rash ... #Dermatology #Rash ... #Differential #Ddxof
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... , Palpable purpura ... Maculopapular rash ... • Goodpasture syndrome ... #rash #diagnosis
Clinical Manifestations of Serotonin Syndrome
 • Ophthalmologic: Mydriasis, Ocular clonus (slow horizontal movements)
 • Gastrointestinal: Diarrhea,
Clinical Manifestations ... sounds, RUQ pain • Dermatologic ... Cardiovascular and ... Hyperthermia UCSD ... spectrum #signs #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis Differential Diagnosis ... , mucositis • Rash ... vasculitis • Cogan syndrome ... #Differential #Diagnosis
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Clinical Presentation ... Fever is the main clinical ... mucosal bleeding (Petechial ... or purpuric rash ... #Diagnosis #Management
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... mucositis - Rash ... • Cogan Syndrome ... scleritis • Palpable ... Skin -> causing palpable