10 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 ... edgarvlermamd - Nephrology ... Microscopy #Diagnosis #Nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... osmolarity If cause ... • Interstitial nephritis ... Differential #Diagnosis #nephrology ... #causes
Mechanisms of Cocaine induced AKI

 • Rhabdomyolysis
 • Vasculitis
 • Infarction
 • Acute interstitial nephritis
 •
Infarction • Acute ... interstitial nephritis ... #induced #AKI #nephrology ... #pathophysiology ... #table
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... and metabolic alkalosis ... UNa > 20: • Acute ... , UNa < 20 • Nephrotic ... #nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... require urgent nephrology ... Urinary obstruction, Nephrotoxic ... IMPROVEMENT If the urine ... workup #diagnosis #nephrology
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 ... suggestive of nephrotic ... #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
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... volume contracted: urine ... postchronic hypercapnia (acute ... Differential #Diagnosis #Causes ... #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
• Metabolic alkalosis ... Torsemide) • Acute ... Kidney stones caused ... Excretion #Diuresis #Nephrology ... #Medications #Table
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... volume-based algorithm Urine ... failure, Cirrhosis, Nephrotic ... differential #diagnosis #table ... #sodium #nephrology