39 results
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... solute load #Polyuria ... #Differential # ... Diagnosis #Algorithm #causes ... #nephrology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... #diagnosis #differential ... #algorithm #causes ... #nephrology
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypo-osmolar Hypotonic HypoNatremia ... < 275 mosm/kg) ... #Hyponatremia ... Algorithm #Diagnosis #Nephrology ... #Differential #
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diabetes Insipidus Workup ... #2 - Assess the Uosm ... DrEricStrong #Hypernatremia ... Algorithm #Sodium #nephrology
Urine chemistry tests for the diagnostic evaluation of a patient with polyuria
UOsm <100 mOsm/Kg (H2O diuresis)
a patient with polyuria ... UOsm <100 mOsm ... - Mannitol #polyuria ... #differential # ... diagnosis #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... - Differential ... Loss - DDAVP -> Uosm ... Insipidus - DDAVP -> Uosm ... #Nephrology #Differential
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Hyponatremia - Diagnostic ... Step 2: Check Uosm ... considered likely, the cause ... DrEricStrong #Hyponatremia ... #Diagnosis #Workup
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Based Approach to Hyponatremia ... #Hyponatremia #Algorithm ... Pathophysiology #Diagnosis #Differential ... #Nephrology #UOsm
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... #Differential # ... Diagnosis #Workup ... #Algorithm #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential ... diuresis (see Polyuria ... #Nephrology #Differential ... Diagnosis #Algorithm #Causes