12 results
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Is visual loss caused ... the optic nerve caused ... thrombosis of short ... Doppler US : halo sign ... #Rheumatology #
Iron Deficiency Anemia (IDA)
Tests:
 • MCV/RBC - RBC ↓ in proportion to the ↓ in hemoglobin
Iron Deficiency Anemia ... (IDA) Tests: ... total body iron stores ... Iron #Deficiency #Anemia ... Fe #diagnosis #hematology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... Complement: Post-strep ... ANCA (C-ANCA): GPA ... diagnosis #algorithm #rheumatology
Anemia of Chronic Disease - Pathophysiology
One theory to explain why "anemia of chronic disease" exists:
The inflammatory
Anemia of Chronic ... Disease - Pathophysiology ... to lock up iron stores ... #disease #hematology ... #pathophysiology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... systemic complaints- anemia ... the “Chewing gum test ... them, but urgent rheumatology ... #Temporal #Signs
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
have hemolytic anemia ... folate that can cause ... mobilize folate stores ... depleted tissue stores ... differential #diagnosis #hematology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Examination: • Signs ... disease • Pull test ... Scaling, pustules, crusts ... texture at bald spots ... Initial Laboratory Tests
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
anti-coagulation • Hematologic ... -> Cherry-red spot ... retinal edema caused ... Occlusion #CRAO #pathophysiology ... ophthalmology #diagnosis #signs
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... and branches • GCA ... purpura: strong sign ... retinopathy Lab Tests ... differential #diagnosis #rheumatology
Scleroderma Renal Crisis (SRC)

Clinical Presentation of Scleroderma Renal Crisis:
1) Acute kidney injury
2) Abrupt onset of hypertension
3)
microangiopathic hemolytic anemia ... (MAHA) Pathophysiology ... Initiate ACEi (short-acting ... • Refractory cases ... Renal #Crisis #rheumatology