28 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... (Granulomatous disease ... atherosclerotic disease ... against MPO • Complement
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Differential Diagnosis Algorithm ... cardiac valve, vasculitis ... Differential #Diagnosis #Algorithm ... #workup #hematology ... #testing
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Workup of Hypercalcemia ... Differential Diagnosis Algorithm ... Granulomatous diseases ... Differential #Diagnosis #Algorithm ... #Workup #nephrology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low Complement ... Idiopathic • Normal Complement ... involvement: Anti-GBM Disease ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... mimics, repeat testing ... → Refer to Nephrology ... #Workup #urology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
ANCA-positive vasculitis ... ANCA-negative vasculitis ... IgA-associated vasculitis ... testing: anti-ANCA ... differential #diagnosis #nephrology
Diagnostic algorithm for a child or adolescent with suspected pulmonary hypertension. CHD, congenital heart disease; CPET,
Diagnostic algorithm ... congenital heart disease ... cardiopulmonary exercise testing ... #Hypertension #Workup ... #Algorithm
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
for glomerular disease ... or alternative complement ... for ANCA-related vasculitis ... #workup #diagnosis ... nephrotic #nephritic #nephrology
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... rheumatoid factor), ± hypocomplementemia ... No necrosis, No vasculitis ... IgG4 #Related #Disease ... management #phenotypes #workup
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... Differential Diagnosis Algorithm ... Eating disorders ... Metastatic Disease ... #Pancytopenia #Workup