27 results
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
cell casts on UA ... ) - Tubular (renal ... tubular cell casts ... or pigmented casts ... - Diaqnosis: Renal
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... heme-granular casts ... tubulointerstitial nephritis, renal ... 34t5DgJ #Urinary #Casts
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
3 months Pre-Renal ... Atheroemboli • Renal ... hypoperfusion Post-Renal ... Sterile pyuria, WBC casts ... KidneyDisease #Nephrology
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Causes of Acute ... ) - Prerenal, Renal ... Postrenal PRE-RENAL ... Vascular occlusion RENAL ... Infection POST-RENAL
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... at least 50% Renal ... Epithelial cell casts ... Sjögren) Post-Renal ... #KidneyInjury #Nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
urinary sediment, renal ... HIV serology, renal ... eosinophiluria, renal ... protein-electrophoresis, renal ... markers • Cardio-renal
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
hematuria: - RBC casts ... thrombosis • Renal ... TURP/Biopsy Renal ... #urology #nephrology ... #renal #urine #
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
proteinuria, RBC casts ... → Refer to Nephrology ... for renal biopsy ... if cause not identified ... Workup #urology #blood
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
HYPOTENSION → renal ... vasoconstriction → decreased renal ... perfusion → renal ... Cast formation: ... Renal tubular obstruction
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
- Diarrhea • RENAL ... essential for blood ... gas transport, renal ... unloading • Kidney ... Pathophysiology #Nephrology