22 results
Vasculitis: In this instance, the vasculitic skin lesions were secondary to Haemophilus endocarditis.
Photo credit, Josh Fierer,
vasculitic skin lesions ... were secondary ... to Haemophilus endocarditis ... Photo credit, Josh ... #Dermatology #SkinRash
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
with bacterial endocarditis ... , in this case, ... Photo credit, Josh ... #Dermatology #SkinRash ... #Endocarditis #
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... - long axis of lesion ... Differential diagnosis: secondary ... rosea #clinical #dermatology ... #photo #PhysicalExam
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
- Rash on Palms ... present in 80% of cases ... #clinical #photo ... #dermatology #Palms ... #Soles #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... reddish-purple lesions ... in primary or secondary ... Schonlein Purpura - Endocarditis ... #dermatology #physicalexam
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
hemorrhagic skin lesions ... leakage of RBC's secondary ... • Bacterial endocarditis ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... heaped, wart-like lesions—Condyloma ... resembling rashes caused ... #Clinical #Photo ... #Dermatology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... • Bacterial endocarditis ... Muehrcke's Lines - Transverse ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
vasculitic diseases secondary ... gonococcal disease, endocarditis ... petechial or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... (Ring- shaped) lesion ... central clearing • Secondary ... Papulosquamous #SkinRash #dermatology ... Diagnosis #Algorithm #causes