23 results
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Diagnosis Algorithm ... • Acquired - Vasculitis ... #Vascular #Vasculitis ... #SkinRash #dermatology ... Diagnosis #Algorithm
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Diagnosis Algorithm ... • Bronchitis Diffuse ... • Pulmonary Vasculitis ... Malignancy Pulmonary Vasculitis ... #Diagnosis #Algorithm
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
ANCA-positive vasculitis ... ANCA-negative vasculitis ... IgA-associated vasculitis ... Complex: Systemic lupus ... #diagnosis #nephrology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Diagnosis Algorithm ... Bullous systemic lupus ... Vesiculobullous #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Diagnosis Algorithm ... insufficiency • Vasculitis ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... inflammation Others: • Lupus ... such as systemic lupus ... differential #diagnosis ... #rheumatology #
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Diagnosis Algorithm ... • Systemic Lupus ... #Diagnosis #Algorithm ... #Causes #Hematology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Diagnosis Algorithm ... insufficiency • Vasculitis ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Post-strep GN, Lupus ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm ... #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Diagnosis Algorithm ... workup, including BM ... Rebound effect from treatment ... Rheumatologic, Vasculitides ... #Diagnosis #Algorithm