11 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
the Petechial / Purpuric ... Rash Febrile ... Fulminans, DIC, ... - Autoimmune Vasculitis ... #Dermatology #Skin
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Acute Purpura Fulminans ... Skin Rash on Physical ... (purpura fulminans ... system failure, purpura ... #Fulminans #Skin
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... nummular eczema, tinea ... #ChristmasTree ... #dermatology #photo ... #PhysicalExam
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Palpable Purpura ... Henoch Schonlein Purpura ... #Palpable #Purpura ... #clinical #photo ... #rash #physicalexam
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Schonlein Leg Rash ... - Palpable Purpura ... 45 years old, seen ... later confirmed by skin ... #photo #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... disease Palpable purpura ... Henoch Schönlein purpura ... gangrenosum • IBD
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
and Rash - Diagnostic ... Pustular Psoriasis Purpuric ... meningitidis, Purpura ... fulminans, Viral ... Parvovirus B19 (PPGSS), Vasculitis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Infection - Vasculitis ... Henoch Schonlein Purpura ... : - Purpura fulminans ... cryoglobulins • Skin ... #dermatology #physicalexam
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Capnocytophaga Canimorsus Skin ... colonize human skin ... +purpuric rash → ... purpura fulminans ... #clinical #photo
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Testosterone - Coumadin skin ... Ischemic Liver, IBD ... other causes of purpura ... fulminans - COVID ... 19 - PNH - Vasculitis