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

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... • Limited to Kidney ... #diagnosis #algorithm ... #rheumatology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... (AKI) - Differential ... Vasculitis • GN ... Med, Contrast, Pigment ... nephrology #causes #algorithm
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Approach to Joint ... spondyloarthropathies, lupus ... #rheumatology # ... approach #workup ... #differential #
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Underproduction Diagnostic Algorithm ... Anemia of chronic kidney ... #hematology #diagnosis ... #differential # ... workup
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... • Tendon • Ligament ... #Pain #MSK #rheumatology ... #approach #workup ... #differential #
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
-C3 GN • Cast ... Scleromyxedema (CNS+GI+CVS+joints ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... #Monoclonal #Differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Arthritis: • Joint ... arthropathy • 90% joints ... C4) • ds-DNA: Kidney ... induced SLE • Kidney
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... musculoskeletal systems • Kidneys ... vesicular eruption • Joints ... Palpable purpura, joint ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... inflammation Others: • Lupus ... vesicular eruption - Joints ... such as systemic lupus ... #diagnosis #rheumatology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... oxygen sensing (at kidneys ... #Diagnosis #Algorithm ... #workup #hematology