105 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
repeat testing • Acute ... proteinuria, RBC casts ... → Refer to Nephrology ... for renal biopsy ... if cause not identified
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... osmolarity If cause ... syndrome: troponin ... cardiac imaging #Acute ... #causes
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
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
disease - Alport syndrome ... pain hematuria syndrome ... • Nutcracker syndrome ... #urology #nephrology ... #renal #urine #
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Recovery from Acute ... Renal Failure, ... Water Deprivation Test ... #Polyuria #Nephrology
Sulfa Crystals on Urine Microscopy
Sulfa Crystal!  Drug-induced crystalluria is a cause of acute renal failure
Sulfa Crystals on Urine ... crystalluria is a cause ... of acute renal ... Especially sulfonamides are ... crystalluria #clinical #nephrology
Causes of acute kidney injury (AKI). AKI is classified into pre-renal, renal, and post-renal causes. Renal
Causes of acute ... classified into pre-renal ... Renal causes of ... Diagnosis #AKI #Acute ... #Sites #Nephrology
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
differentiate between pre-renal ... and intrinsic renal ... for diagnosing acute ... - Dr. ... AcuteKidneyInjury #Nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... are seen in acute ... tubulointerstitial nephritis, renal ... Fatty - Nephrotic syndrome ... edgarvlermamd - Nephrology