49 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Cytokines, Mast Cells ... Formation -> Vasculitis ... #HUV #Pathophysiology ... #Rheumatology
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Tamponade Pulmonary ... Vasculature: - PE - Pulmonary ... HTN - Vasculitis ... Transverse myelitis • Hematology ... #pulmonary
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Pathophysiology: ... trauma, infection, vasculitis ... process such as vasculiitis ... commonly renal and pulmonary ... #Diagnosis #Dermatology
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Rheumatoid Arthritis Summary ... Disease, Rheumatoid Vasculitis ... Rheumatoid Nodules, Pulmonary ... RA #diagnosis #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... With associated pulmonary ... Glomerulonephritis #Vasculitis ... diagnosis #algorithm #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... glomerulonephritis and/or pulmonary ... tract, and often causes ... arthritis, obstructive pulmonary ... differential #diagnosis #rheumatology
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Pathophysiology: ... germinative skin cells ... Causes: 1) Exfoliative ... Skin-homing T-cells ... #Diagnosis #Dermatology
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
some red blood cells ... epilepticus • Pathophysiology ... Edema: • Pathophysiology ... The predominant pathophysiologic ... • Pathophysiology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
progressing GN • New pulmonary ... Multinucleated giant cells ... MPO > PR3) • Pulmonary ... tract, and often causes ... Differential #Diagnosis #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Cryoglobulinemia Summary ... • They can cause ... Cryoglobulins Cause ... classification #rheumatology ... #vasculitis