61 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
→ Refer to Nephrology ... for renal biopsy ... cystoscopy • Refer to Nephrology ... if cause not identified ... #blood #urine
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
and Differential Diagnosis ... Investigations: full blood ... osmolarity If cause ... screen, including blood ... #nephrology #causes
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... • 1ml blood/liter ... #causes #urology ... #nephrology #renal ... #urine #blood
Distal Renal Tubular Acidosis (RTA)  Type 1 

Totally scuppers the kidney's acidification mechanism. Will be
Distal Renal Tubular ... much easier to diagnosis ... with direct urine ... #Management #Nephrology ... #Causes #Differential
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
- Differential Diagnosis ... Dl • Chronic Renal ... #Differential #Diagnosis ... #Algorithm #causes ... #nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... tubulointerstitial nephritis, renal ... edgarvlermamd - Nephrology ... Differential #Microscopy #Diagnosis ... #Nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
of magnesium = (urine ... serum magnesium x urine ... cells FEMg >4% = renal ... #differential #diagnosis ... #causes #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Pain/Post-op • Neurologic ... GI losses • Renal ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Pain/Post-op • Neurologic ... GI losses • Renal ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... also be seen if urine ... - Diagnostic of ... Microscopy #Atlas #key #diagnosis ... #nephrology #casts