33 results
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
- Classification ... tubular necrosis (causes ... : sepsis, meds, ... Kidney #Injury #Classification ... #diagnosis #nephrology
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
Diagnosis Red Urine ... : • Any cause of ... dyes typically cause ... #Differential #Diagnosis ... discoloration #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... repeat testing • Acute ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology ... if cause not identified
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 ... #crystalluria #clinical ... #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... and Differential Diagnosis ... osmolarity If cause ... investigations depending on clinical ... #nephrology #causes
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... require urgent nephrology ... are caused by prerenal ... IMPROVEMENT If the urine ... #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... - Differential Diagnosis ... Recovery from Acute ... #Polyuria #Nephrology ... #Algorithm #Causes
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
tubular cells - Acute ... - Diagnostic of ... protein indicating acute ... Microscopy #Atlas #key #diagnosis ... #nephrology #casts
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
RBC casts in urine ... but in severe cases ... Nephrotic #Syndromes #Classification ... #Proteinuria #Nephrology ... #Diagnosis
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of acute ... in a variety of acute ... #nephrology #interpretation ... #diagnosis