677 results
Causes of False-Positive and False-Negative IGRA and TST Results

#Diagnosis #TB #Tuberculosis #Tuberculin #SkinTest #TSTs #IGRA #FalseNegatives
False-Negative IGRA ... SkinTest #TSTs #IGRA ... #FalseNegatives
Management of adult IgA Vasculitis (Henoch-Schönlein purpura) - Treatment algorithm for the management of IgAV patients
Management of adult IgA ... Management of IgA ... long-term outcome of renal ... TerrierBen #IgA
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... of IgA1 -> Decr IgA ... -> adhesion of IgA ... Intussusception - Renal ... nephritic syndrome, renal
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Glomerular Bleeding - IgA ... Mesangioproliferative GN without IgA ... thrombosis • Renal ... Sickle cell) • Renal ... TURP/Biopsy Renal
Intrinsic Renal Disease - Differential Diagnosis
Vascular:
 • Macrovascular: Renal artery occlusion, Fibromuscular disease
 • Microvascular: TTP/HUS,
Intrinsic Renal ... Macrovascular: Renal ... RPGN, Post-strep, IgA ... #Intrinsic #Renal
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
hyperaldosteronism • High PRA: Renal ... Adenoma, BAH, AME, GRA ... mineralocorticoid excess; GRA
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
FalsePositive #FalseNegative
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Pulmonary Renal ... Levels: Scleroderma Renal ... Crisis, IgA Vasculitis ... AnnKumfer #Pulmonary #Renal
Hematuria in Post-Renal Transplant Patient
Prevalence up to 12% in the postrenal transplant patient
 • Bacterial: Escherichia
Hematuria in Post-Renal ... infections (HPV, EBV), Renal ... syndrome, SLE, IgA ... #Hematuria #Renal
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... (Pulmonary and renal ... for Pulmonary Renal ... ANCA-negative vasculitis (IgA-associated ... #Pulmonary #Renal