325 results
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Diagnosis Algorithm UOsm ... ≥ POsm - Vasopressin-Dependent ... Cortisol deficiency UOsm ... < POsm - Vasopressin-independent ... hyponatremia #diagnosis #differential
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diuresis (Urine Osm ... <100 mOsm/kg) ... 100-200 mOsm/kg ... #Polyuria #Differential
IV Fluids - Comparison Table
Fluid - pH - Osm - Na - Cl - Other
 •
IV Fluids - Comparison ... Table Fluid - ... pH - Osm - Na - ... EmmGeezee #IV #Fluids ... IVF #Comparison #Table
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
135 meq/L, serum Osm ... < 275 mosm/kg) ... Urine Na, Urine Osm ... Diagnosis #Nephrology #Differential
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 ... #polyuria #differential
Hyponatremia Treatment Algorithm

CHF, Cirrhosis - Fluid restriction
SIADH - Fluid restriction
 - Consider salt tablets if etiology
CHF, Cirrhosis - Fluid ... restriction SIADH - Fluid ... reversible - If Uosm ... depletion - IV Fluids ... polydipsia - Normalize fluid
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... Diagnosis Table ... • Urine Osm ... #Hyponatremia #Differential ... #Diagnosis #Table
Summary table of cerebrospinal fluid (CSF) analysis. 

#CSF #fluid #analysis #differential #diagnosis #cerebrospinal #table
Summary table of ... cerebrospinal fluid ... #CSF #fluid #analysis ... #differential # ... cerebrospinal #table
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
• ADH Present (Uosm ... be high or low Uosm ... • ADH Present (Uosm ... #Hyponatremia #differential ... #diagnosis #table
Fluids, Electrolytes, Acid-Base
)
General Concepts
>
< Osmolality vs osmolarity
★
Osmolality
[H 20)
Milliosmoles per kg of water. The osmolality is the
Fluids, Electrolytes ... the number of (mOsm ... of Na +1 Osm of ... Osmolarity (mOsm ... #Fluids #Electrolytes