11 results
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Disease Associations ... and concentrated urine ... Red blood cell ... tubulointerstitial nephritis, renal ... #Differential #Microscopy
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
• 1ml blood/liter ... hematuria: - RBC casts ... of glomerular disease ... #nephrology #renal ... #urine #blood
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
require urgent nephrology ... : Hypovolemia, Low ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... KidneyInjury #simplified #workup
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
- Urinalysis/microscopy ... UOP/weights - Urine ... ATN - 45% - Pre-renal ... disease — 21% ... mostly ATN and pre-renal
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Syndromes (PRS) are ... life-threatening diseases ... mononeuritis multiplex WORKUP ... reveals increasing blood ... hematuria, RBC casts
Gitelman Syndrome - Diagnosis and Workup
Blood Work:
 - Hypokalemia
 - Hypomagnesemia
 - Metabolic Alkalosis
 - Elevated
Blood Work: - ... Elevated Renin Urine ... dominant kidney disease ... Ultrasound - No ... #nephrology
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
Most cases diagnosed ... population: also due ... Malnutrition • Wilson's disease ... deficiency • blood ... respiratory failure • Neurologic
Approach to Microscopic Hematuria 

Microscopic hematuria is often incidental but may be associated with urologic malignancy.
RBC's, cellular casts ... properly collected urine ... Stratification: • Low-Risk ... with cystoscopy & renal ... ultrasound
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... polarized light microscopy ... : • Complete blood ... chest wall, and low ... • Serum and urine
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
vast majority of cases ... to work through ... Measure urine osmolality ... vaptans (HF/liver disease ... Treatment #management #nephrology