52 results
Vasculitis: In this instance, the vasculitic skin lesions were secondary to Haemophilus endocarditis.
Photo credit, Josh Fierer,
Vasculitis: In this ... instance, the vasculitic ... Photo credit, Josh Fierer ... Clinical #Photo #Dermatology ... #SkinRash #Vasculitis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
disorders, or other causes ... • Secondary Causes ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
• Acquired - Vasculitis ... #Vascular #Vasculitis ... #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Telescoping Fingers on Physical Exam

A 69-year-old woman with rheumatoid arthritis presented for the treatment of severe
Telescoping Fingers ... presented for the treatment ... #Telescoping #Fingers ... #PhysicalExam # ... Clinical #Video #Rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Rebound effect from treatment ... Inflammatory Conditions: Rheumatologic ... , Vasculitides, ... Diagnosis #Algorithm #hematology
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
insufficiency • Vasculitis ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Non malignant hematologic ... effect following treatment ... Diagnosis #Algorithm #Causes ... #Hematology
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Nodosum: In this case ... Photo credit, Josh Fierer ... Images #Clinical #Dermatology ... #SkinRash #Erythema
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
insufficiency • Vasculitis ... • Bleomycin Hematologic ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... HUS • DIC • Vasculitis ... Diagnosis #Algorithm #Causes ... #Hematology