33 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... parallel to lines of skin ... Differential diagnosis: secondary ... rosea #clinical #dermatology ... #photo #PhysicalExam
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... Skin rash and malaise ... resembling rashes caused ... #Clinical #Photo ... #Dermatology
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... marine microbiota & causes ... Vibrio #Vulnificus #skin ... #cellulitis #dermatology ... legs #clinical #photo
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... == Primary Skin ... Pruritus #primary #secondary ... #generalized #dermatology ... Diagnosis #Algorithm #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... in primary or secondary ... Red Flags: • Fever ... cryoglobulins • Skin ... #dermatology #physicalexam
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
destauration Sites - Skin ... Oxygen therapy - Pulmonary ... cause can improve ... Sites - Only skin ... Central #Peripheral #Comparison
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Purpura Fulminans Skin ... rigors, diarrhea, nausea ... purpura fulminans secondary ... Purpura #Fulminans #Skin ... #photo
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... gyratum repens • A skin ... induratum • A chronic skin ... PrathitKulkarni #Erythemas #comparison ... differential #diagnosis #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... leakage of RBC's secondary ... Thrombocytopenia: ITP • Secondary ... deficiency • Liver ... #nonpalpable #dermatology
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
- Rash on Palms ... present in 80% of cases ... #Syphilis #Rash ... #clinical #photo ... #dermatology #Palms