684 results
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... UOsmPOsm - ... Cortisol deficiency UOsm ... #differential #algorithm ... #causes #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Differential Diagnosis Algorithm ... <100 mOsm/kg) ... 100-200 mOsm/kg ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Hyponatremia Treatment Algorithm

CHF, Cirrhosis - Fluid restriction
SIADH - Fluid restriction
 - Consider salt tablets if etiology
Hyponatremia Treatment Algorithm ... CHF, Cirrhosis - Fluid ... restriction SIADH - Fluid ... reversible - If Uosm ... Hyponatremia #Treatment #Algorithm
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypotonic HypoNatremia Algorithm ... 135 meq/L, serum Osm ... < 275 mosm/kg) ... Urine Na, Urine Osm ... #Hyponatremia #Algorithm
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... Consider whether Posm ... Step 2: Check Uosm ... considered likely, the cause ... Workup #Evaluation #Algorithm
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Differential Diagnosis Algorithm ... treat underlying cause ... ) Euvolemic • UOsm ... Toast Diet • UOsm ... Differential #Diagnosis #Algorithm
Urine chemistry tests for the diagnostic evaluation of a patient with polyuria
UOsm <100 mOsm/Kg (H2O diuresis)
with polyuria UOsm ... nephrogenic) UOsm ... diuresis (intravenous fluids ... × (Na + K) << UOsm ... diagnosis #nephrology #Uosm
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Hyponatremia - Diagnostic Algorithm ... #Hyponatremia #Algorithm ... Differential #Nephrology #UOsm
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Differential Diagnosis Algorithm ... briskly to IV fluids ... - Responds to fluid ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Hypernatremia - Diagnostic Evaluation Algorithm
Step 1: Consider history. Most patients presenting with hypernatremia are either very
Diagnostic Evaluation Algorithm ... Step 2: Check Uosm ... using initial Uosm ... Workup #Evaluation #Algorithm