19 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... immunofluorescence Immune ... Goodpasture's) Pauci-immune ... Glomerulonephritis #Vasculitis #differential ... diagnosis #algorithm #rheumatology
Vaccine-induced immune thrombotic thrombocytopenia (VITT) is a rare but potentially serious adverse reaction that has been
Vaccine-induced immune ... Symptoms of VITT ... chest pain, leg swelling ... and neurological symptoms ... thrombocytopenia #COVID #pathophysiology
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
a dysregulated immune ... erythema and/or swelling ... PolyarteritisNodosa #Pathophysiology ... Diagnosis #Signs #Symptoms
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
(aPL) 30-45% Differential ... mimickers, Other auto-immune ... autoantibodies #signs #symptoms ... #mimickers #differential ... #rheumatology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders - Differential ... pattern of spread, B symptoms ... Classification #pathophysiology ... #Hematology #Diagnosis ... #NonHodgkin #differential
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
Schedule: Why we immunize ... lymphadenopathy; severe swelling ... hemorrhagic rash; symptoms ... non-specific viral symptoms ... peds #pediatrics #pathophysiology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... • Soft tissue swelling ... constitutional symptoms ... - Autoimmune Rheumatologic ... #Joint #pain #Differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... Presentation: Systemic Symptoms ... • Progressive symptoms ... #Diagnosis #Rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
or nerve root Symptoms ... Stiffness • Swelling ... Joint #Pain #MSK #rheumatology ... approach #workup #differential
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Collapse: • Pathophysiology ... Syncope • Signs/Symptoms ... Weakness, Profuse sweating ... heat #illness #differential