12 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... S - Systemic Lupus ... @AnnKumfer #Hypocomplementemia ... #Low #Complement ... Mnemonic #diagnosis #differential
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
cases, drug-dependent ... • Immunologic Workup ... 90% - Low complement ... • Immunologic Workup ... Positive in 60-80% of cases
Lupus Nephritis Primer
Class I - Minimal Mesangial
Class II - Mesangial Proliferative
Class Ill - Focal Proliferative
Class IV
Lupus Nephritis ... DrFlashHeart #Lupus ... #Nephritis #SLE ... #Classification ... #Classes #differential
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... , oral ulcers, Lupus ... • Immunologic Workup ... Positive in 60-80% of cases ... 80% - Low complement
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... staining): • Low Complement ... Post-strep GN, Lupus ... Glomerulonephritis #Vasculitis #differential ... #diagnosis #algorithm
Bronchiectasis: diagnosis and management 

Causes of localized -> diffuse bronchiectasis
Foreign body, Bronchial stenosis (tumor, .. ),
management Causes ... RA, Sjögren, SLE ... diagnosis #management #Differential ... #workup #algorithm
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... such as systemic lupus ... against MPO • Complement ... vasculitis, and SLE ... #rheumatology #classification
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Autoimmune Vasculitis (lupus ... deficiency Work ... #Causes #dermatology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... an underlying cause ... some time, let’s see ... about secondary causes
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
cases, drug-dependent ... is rare in DIL, SCLE-DIL ... • Immunologic Workup ... 90% - Low complement ... Discontinuation of causal