12 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Secondary Causes ... deficiencies - PNH ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Algorithm for Diagnosis of the Vesiculobullous Rash

Febrile, Diffuse Distribution:
 - Varicella,  Smallpox,  Disseminated, Gonococcal,
Vesiculobullous Rash ... Gonococcal, Infection, Purpura ... Vesiculobullous #Vesicular ... #Rash #Algorithm ... #Diagnosis #Dermatology
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Differential Diagnosis Algorithm ... cm diameter - Purpura ... Vasculitis #SkinRash #dermatology ... Differential #Diagnosis #Algorithm ... #causes
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... - Diagnostic Algorithm ... disruption of vascular ... #Diagnosis #Dermatology ... #Rash #Petechiae
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... Disruptions in vascular ... : - Purpura fulminans ... #Causes #dermatology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... Differential Diagnosis Algorithm ... drug eruption #Vesicular ... Vesiculobullous #SkinRash #dermatology ... #causes
Vesiculobullous Rashes - THE ALGORITHMIC APPROACH 
Vesiculobullous rashes provoke significant angst
in many physicians (Figure 5, page
Vesiculobullous Rashes - THE ALGORITHMIC ... gonococcal disease, purpura ... #Diagnosis #Dermatology ... #Vesicular #Vesiculobullous ... #Rash #Algorithm
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
dogs & latter can cause ... +purpuric rash → ... purpura fulminans ... #dermatology #clinical ... #photo
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
coagulation and other causes ... of purpura fulminans ... - COVID-19 - PNH ... pathophysiology #hematology ... differential #diagnosis #vascular
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
May develop in pts ... and bullous or vesicular ... , mucositis • Rash ... tract, and often causes ... Differential #Diagnosis #Rheumatology