13 results
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sensitive) • AKI ... sterile pyuria, WBC casts ... proteinuria, granular casts ... /RTE; blend sediment ... #nephrology #diagnosis
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Differential Diagnosis Algorithm ... blood cells on urine ... microscopy. ... RBCs and/or RBC casts ... #Causes
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Workup Algorithm ... microscopy / urinary ... sediment, renal ... • Interstitial nephritis ... Differential #Diagnosis #nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
sediment - WBC/ ... RBC casts ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology ... #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Cirrhosis • Nephrotic ... • Reduced GFR, AKI ... Hypo-osmolar urine ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Cirrhosis • Nephrotic ... • Reduced GFR, AKI ... Hypo-osmolar urine ... #Nephrology #Differential
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... Urine Na+K / serum ... failure, Cirrhosis, Nephrotic ... #nephrology
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Epithelial cell casts ... polyangiitis /microscopic ... Acute Interstitial Nephritis ... #KidneyInjury #Nephrology ... #Causes
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
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
sediment and color ... Microscopic exam ... • Urinary casts ... Kidney Injury (AKI ... #UNa #casts #glucosuria