13 results
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
Urine Microscopy ... specific systemic disease ... specific systemic disease ... - Diagnostic of ... #Microscopy #Crystals
Urine Microscopy - Kidney Stones and Crystals 

Uric Acid, Cystine, Hippurate, Cloth Fiber, Tyrosine, CaOx, CaP,
Urine Microscopy ... Kidney Stones and Crystals ... #Microscopy #Crystals ... Identification #Differential ... #Shapes #Diagnosis
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... Diagnosis Framework ... basement membrane disease ... of glomerular disease ... #Differential #
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
- Differential ... Diagnosis Algorithm ... blood cells on urine ... microscopy. ... #Differential #
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... Diagnosis Algorithm ... Gout - Uric Acid Crystals ... “Pseudogout” - Calcium ... secondary) • Rheumatoid
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
polarized light microscopy ... intracellular urate crystals ... (gout) or calcium ... • Serum and urine ... #Disease #Rheumatoid
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Dyspnea, Fever, Hematuria ... symptomatology Differential ... Diagnosis for Pulmonary ... polyangiitis, Microscopic ... erythematosus, Rheumatoid
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
in persons with rheumatoid ... inflammatory arthritides Crystal ... ochronosis and crystal ... approach #workup #differential ... #diagnosis #arthritis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... , proteinuria, hematuria ... Inflammatory eye disease ... : UA, Urine protein ... or gross hematuria
Differential Diagnosis of Acute Arthritis

Crystal-induced arthritis: Calcium oxalate, gout, cholesterol, pseudogout, hydroxyapatite crystals

Infectious arthritis: Bacteria, fungi,
Differential Diagnosis ... arthritis: Calcium ... hydroxyapatite crystals ... Behçet syndrome,* rheumatoid ... #Differential #