17 results
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 ... tuberculosis Fatty - Nephrotic ... #Differential #Microscopy
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Increased renal sodium ... retention, Urine ... • AKI/CKD • Nephrotic ... Oncotic Pressure • Nephrotic ... • Sepsis • Acute
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... blood cells on urine ... microscopy. ... • Hereditary nephritis ... and >3.5g/day (nephrotic
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
treat underlying cause ... CHF, cirrhosis, nephrotic ... , CNS Disease, Meds ... #diagnosis #nephrology ... #sodium
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... Nephritis When ... eosinophiluria, microscopic ... #Interstitial #Nephritis ... #nephrology #diagnosis
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... microscopy / urinary ... • Interstitial nephritis ... #Diagnosis #nephrology
Lupus Nephritis - Diagnostic approach to kidney disease associated with systemic lupus erythematosus (SLE)
SLE patient develops
Lupus Nephritis ... > 500 mg/d • Nephritic ... urine sediment ... 5%) #Lupus #Nephritis ... #sle #nephrology
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... chronic kidney diseases ... suggestive of nephrotic ... #Urine #Microscopy ... #nephrology #interpretation
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... tubular cells - Acute ... brown cast” - Necrotic ... protein indicating acute ... key #diagnosis #nephrology
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
• Glomerular disease ... necrosis (causes ... : sepsis, meds, ... interstitial nephritis ... Classification #diagnosis #nephrology