24 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... @AnnKumfer #Hypocomplementemia ... #Low #Complement ... CHAMPS #Mnemonic #diagnosis
Validation of the Step-By-Step Approach to Febrile Infants

#Diagnosis #Management #Pediatrics #Peds #Febrile #Infant #StepByStep #Algorithm #LP
Febrile Infants #Diagnosis ... Infant #StepByStep #Algorithm ... #LP #Antibiotics ... Stratification #Fever
“Step by Step” – the new kid on the block – aims to risk stratify this
be considered “low ... an infant with fever ... CRP < 20 mg/L #Diagnosis ... #LP #Antibiotics ... Stratification #Fever
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... Vasculitis: • Fevers ... against MPO • Complement ... (Low levels mixed
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low ... Complement: Post-strep ... Idiopathic • Normal Complement ... #differential #diagnosis ... #algorithm #rheumatology
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
- Differential Diagnosis ... anti-GBM) 10%: - Low ... Complement Levels ... other hemorrhagic fevers ... #Differential #Diagnosis
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
Fever of Unknown ... Get an LP and imaging ... Refer to your ‘Fever ... Returning Traveler’ algorithm ... UnknownOrigin #workup #diagnosis
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
Constitutional domain: Fever ... anticoagulant • Complement ... C3 or low C4, Low ... C3 and low C4 ... Erythematosus #diagnosis
Systolic Murmurs - Differential Diagnosis Algorithm
Benign / Flow / Hyperdynamic:
 • Pregnancy
 • Fever
 • Anemia
Supravalvular
- Differential Diagnosis ... Algorithm Benign ... / Flow / Hyperdynamic ... #Differential #Diagnosis ... #Algorithm #causes
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
- Differential Diagnosis ... Algorithm Hodgkin ... lymphocyte predominant (LP ... B-Cell ~90% • Low ... #differential #algorithm