133 results
Petechiae: punctate spots that arise from spontaneous bleeding secondary to profound thrombocytopenia. 
The spots (easily visible
from spontaneous bleeding ... UCSD Catalog of Clinical ... Images #Clinical ... #Photo #Dermatology ... #Rash #Petechiae
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Sarcoidosis or Lofgren's syndrome ... Nodosum #Mnemonic #Causes ... #Differential # ... Diagnosis #Dermatology
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... PT (INR) - No Bleeding ... #PPT #PT #INR #Differential ... #Diagnosis #Algorithm ... #Causes #Hematology
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... palms/soles - Differential ... diagnosis: secondary ... Pityriasis #rosea #clinical ... #dermatology #photo
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... SCVMCMed #Fever #Rash ... #Differential # ... Diagnosis #dermatology
Staphylococcal Scalded Skin Syndrome (SSSS)

A 5-year-old girl presents to the ED with a rash that started
the ED with a rash ... the patient’s rash ... #SSSS #Clinical ... #Photo #Peds #Pediatrics ... #Dermatology
Sebaceous hyperplasia 
 - Yellow papule 
 - Donut-shape 
 - Central umbilication 
 - Telangiectasia
Usually multiple - Causes ... #Hyperplasia #Dermatology ... #Diagnosis #Benign ... #Clinical #Photo
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... / Bruising - Differential ... Diagnosis Algorithm ... #Diagnosis #Algorithm ... #Causes #Hematology
Chondrodermatitis nodularis 
 - Scaly papule on ear, usually helix 
 - Painful, especially when sleeping
especially when sleeping ... Chondrodermatitis #Nodularis #Dermatology ... #Diagnosis #Benign ... #Clinical #Photo
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... - Differential ... Diagnosis Algorithm ... Reactive #SkinRash #dermatology ... #causes