107 results
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
and SUN Classification ... inhabitants 3rd leading cause ... Bartonella SUN Classification ... #SUN #Classification ... Ophthalmology #Rheumatology
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Cytokines, Mast Cells ... perivascular inflammatory cells ... Vasculitis #HUV #Pathophysiology ... #Rheumatology
Common Raynaud's Mimickers
 - Acrocyanosis
 - Chill blains (pernio)
 - Erythromelalgia
 - Frostbite
 - Achenbach's Syndrome

Dr.
- Achenbach's Syndrome ... Differential #Diagnosis #Causes ... #Mimics #rheumatology
A non-subtle example of true Sezary syndrome.  Patient presented with erythroderma without antecedent history of
of true Sezary syndrome ... mjcascio #Sezary #Syndrome ... #Cells #Clinical ... Smear #Microscopy #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Secondary Causes ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Differential #Diagnosis #hematology ... #rheumatology #
VEXAS (Vacuoles, E1 enzyme, X-linked, Autoinflammatory, Somatic) Syndrome
Clinical Syndrome:
 • Common Clinical Features: alveolitis, ear and
vasculitis • Hematologic ... criteria for 1) hematologic ... hematopoietic stem cells ... blood myeloid cells ... Autoinflammatory #Somatic #rheumatology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... imports K+ into cells ... - Refeeding Syndrome ... Diagnosis #Algorithm #causes ... potassium #low #pathophysiology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... Churg-Strauss syndrome ... - Sjögren syndrome ... dermatomyositis #Size #Classification ... Vessels #Diagnosis #Rheumatology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Anemia Intrinsic Causes ... elliptocytosis Extrinsic Causes ... Intravascular Causes ... #classification ... #hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... = funny-shaped cells ... old, ~10,000 new cases ... Myelodysplastic #Syndrome ... Management #treatment #hematology