32 results
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI ... Workup Algorithm ... osmolarity If cause ... #Workup #Algorithm ... #causes
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 ... restriction alone in SIADH ... Present (Uosm ≥100): SIADH ... table #sodium #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... - Pathophysiology ... → Increased urine ... #Pathophysiology ... #diagnosis #nephrology
Differential Diagnosis of Acute Kidney Injury 

#Diagnosis #Nephrology #AKI #Acute #KidneyInjury #Causes #Differential #Workup #Algorithm #Ddxof
#Diagnosis #Nephrology ... #AKI #Acute #KidneyInjury ... #Causes #Differential ... #Workup #Algorithm
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Check Uosm and/or Urine ... status and measure UNa ... tests Step 5: If SIADH ... considered likely, the cause ... Hyponatremia #Diagnosis #Workup
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... proteinuria, RBC casts ... if cause not identified ... Diagnosis #Algorithm #Workup ... #urine
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Kidney Injury (AKI ... PROBLEM ~80% of AKI ... IMPROVEMENT If the urine ... CONSIDER INTRINSIC CAUSES ... KidneyInjury #simplified #workup
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Vasopressin-Dependent • UNa ... Cirrhosis • UNa ... Inappropriate - Consider: SIADH ... differential #algorithm #causes ... #nephrology
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... Saline: • If Urine ... osmolality < 538 AND UNa ... SatyaPatelMD #SIADH ... #hyponatremia #nephrology
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Kidney Injury (AKI ... UOP/weights - Urine ... rhabdo/TLS) Causes ... #Nephrology #Diagnosis ... #Algorithm #Causes