48 results
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
- Definition, Causes ... blindness, linked to macular ... retinal ischemia Causes ... Differential #Diagnosis #Ophthalmology ... #Rheumatology
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Cells -> Incr Vascular ... Chemotaxis -> Vascular ... Vasculitis #HUV #Pathophysiology ... #Rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
platelet disorders, vascular ... Etiology: • Vascular ... Disruptions in vascular ... Differential #Diagnosis #hematology ... #rheumatology #
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Renal Disease Vascular ... TeIangiectasia Vascular ... Diagnosis #Algorithm #Causes ... #Hematology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... Second most common cause ... due to retinal vascular ... disease (Most common cause ... ) #Clinical #Ophthalmology
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
invade URT & via hematologic ... endotoxin induces vascular ... CNS and hematologic ... skin lesions -> Vesicular ... peds #pediatrics #pathophysiology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... diagnosis #algorithm #rheumatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Avascular necrosis ... differential #diagnosis #causes ... #hematology
Hydroxychloroquine - Risks and Benefits in Lupus
Benefits:
↓ Disease activity, ↓ Flare, ↓ Damage, ↓ Corticosteroid dose,
Digestive intolerance nausea ... rare with ~100 cases ... : vacuolar myopathy ... adaptation needed in case ... #sideeffects #rheumatology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
considered in all cases ... coagulation and other causes ... Venous #Arterial #pathophysiology ... #hematology #differential ... #diagnosis #vascular