377 results
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Differential Diagnosis Algorithm ... lasts <24hrs • Erythema ... #Reactive #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
Hyperferritinemia Pearl: Diseases ... Still's disease ... Hyperferritinemia #Algorithm ... Differential #Diagnosis #Hematology
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... EAC), This is erythema ... drugs, systemic disease ... clinical #photo #dermatology ... #skinrash
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... Dermatomyositis Erythema ... migrans • Lyme disease ... Erythema marginatum ... differential #diagnosis #rheumatology
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
Erythema Multiforme ... Images #Clinical #Dermatology ... #SkinRash #Erythema
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... Images #Clinical #Dermatology ... #SkinRash #Erythema
Approach to Von Willebrand disease (VWD)

By Matthew Ho, MD PhD @MatthewHoMD

#VWD #Von #Willebrand #VonWillebrand #disease #hematology
Von Willebrand disease ... VonWillebrand #disease ... #hematology #algorithm
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Differential Diagnosis Algorithm ... → Refer to hematology ... Vasculitides, IBD, Celiac disease ... Differential #Diagnosis #Algorithm ... #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Differential Diagnosis Algorithm ... disorders • Celiac disease ... Non malignant hematologic ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Giardiasis #Erythema ... Differential #Diagnosis #Dermatology ... #SkinRash