14 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology of Hypocomplementemic ... Complex Formation - Complement ... TerrierBen #Hypocomplementemic ... Urticarial #Vasculitis #HUV
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... A - Atypical HUS ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
of Unknown Origin ... Differential Diagnosis Algorithm ... PE Bacterial - Organ ... Infection: • HIV ... Differential #Diagnosis #Algorithm
FUO:	Fever	of	Unknown	Origin
#Diagnosis #Peds #FUO #FeverUnknownOrigin #Differential #Algorithm #PEMSource
FUO: Fever of Unknown ... Origin #Diagnosis ... #Differential #Algorithm
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... Coronary arteries - Fever ... Vasculitis: • Fevers ... against MPO • Complement
Whipple Disease (Tropheryma whipplei) - Diagnostic Algorithm

Whipple's disease suspected:
 • Arthralgias, weight loss, abdominal pain, diarrhea
) - Diagnostic Algorithm ... cognitive deficits • Fever ... of unknown origin ... Disease #diagnosis #algorithm
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
hemolytic-uremic syndrome (ST-HUS ... ) - Complement-mediated ... TMA (formerly known ... as atypical HUS ... TMA after solid organ
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
Fever of Unknown ... Origin (FUO) - ... Refer to your ‘Fever ... Returning Traveler’ algorithm ... udaygulati #FUO #Fever
Possible Algorithm for Workup of Fever of Unknown Origin (FUO)
Tier 1 Workup:
 • CBC, comprehensive metabolic
Possible Algorithm ... for Workup of Fever ... of Unknown Origin ... blood cultures • HIV ... #Fever #Unknown
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
of Acute Onset Fever ... Differential Diagnosis Algorithm ... Coronavirus • HIV ... Septic Shock Acute Organ ... Differential #Diagnosis #Algorithm