13 results
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Investigations: full blood ... dipstick, urine microscopy ... osmolarity If cause ... Glomerulonephritis / Vasculits ... screen, including blood
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine • 1ml blood ... urine sediment Microscopic ... Diagnostic of GN or vasculitis ... microscopic and ... #renal #urine #blood
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... • Sjögren syndrome ... Vasculitis: • ... Microscopic polyangiitis ... #diagnosis #rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
- Vasculitis, e.g ... - Vasculitis, e.g ... Microscopic polyangiitis ... diagnosis #table #rheumatology ... #antibodies
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
): • Microscopic ... often causes arthritis ... Dx: GPA, EGPA, microscopic ... ) pattern: antibodies ... differential #diagnosis #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Sjogren's, GPA, EGPA, Microscopic ... : • Complete blood ... • Fecal occult blood ... for hepatitis B and
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
polyangiitis), MPA (microscopic ... EGPA) • Renal: (AKI ... EGPA) • Auto-antibodies ... Goodpasture's cause ... reveals increasing blood
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
skin that are caused ... abnormal under the microscope ... abnormal under a microscope ... abnormal under the microscope ... #diagnosis #hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... Hyperviscosity Syndrome ... - GPA, EGPA, microscopic ... classification #rheumatology
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
resolved after 2-3d ... Pediculus humanus, AKA ... Syndrome: 3d of ... convalescent antibodies ... recurrentis #BloodSmear #microscopy