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Thrombotic Microangiopathies In Systemic Lupus Erythematosus

Dr. Laurent ARNAUD @Lupusreference

#TMAs #Thrombotic #Microangiopathies #Systemic #Lupus #Erythematosus #SLE #hematology
Microangiopathies In Systemic Lupus ... Erythematosus #SLE ... #hematology #rheumatology ... #differential # ... diagnosis #causes
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... inflammation is secondary ... with Systemic Lupus ... Erythematosus (SLE ... #Diagnosis #Algorithm
Lupus Nephritis Primer
Class I - Minimal Mesangial
Class II - Mesangial Proliferative
Class Ill - Focal Proliferative
Class IV
#Nephritis #SLE ... Classification #Classes ... #differential # ... diagnosis #management ... #nephrology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE ... autoantibodies that will cause ... APS), Secondary ... Erythematosus #SLE ... #CNS #neurology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Diagnosis Algorithm ... Bullous systemic lupus ... tarda • Diabetic ... Vesiculobullous #SkinRash #dermatology ... #causes
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... lesions • Discoid lupus ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... Diagnosis Algorithm ... suggests either secondary ... Ureterosigmoidostomy, Diabetic ... #causes #nephrology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... spondyloarthropathies, lupus ... Like in this case ... Chronic = RA, SLE ... approach #workup #differential
Causes of Polyneuropathy - Differential Diagnosis Algorithm
 • Metabolic: DM, Hypothyroidism, CKD, Cirrhosis, Nutritional deficiency
 •
- Differential ... Diagnosis Algorithm ... Paraneoplastic, CTD (SLE ... Mitochondrial issues - VA Joint ... #causes #neurology
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Diagnosis Renal ... Hypomagnesemia with secondary ... renal transplant, Diuretic ... #diagnosis #causes ... #nephrology #magnesium