242 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... and Workup Step ... mmol/L - true hyponatremia ... - fevers • renal ... #Diagnosis #Workup
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... 1) Check Urine ... mOsm/kg - Implies renal ... , Ingestion Renal
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
, Differential Diagnosis ... and Features of Hyponatremia ... Hypervolemic hypernatremia ... Drugs - SIADH Renal ... #Differential #Diagnosis
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Na <20: Extra-renal ... Na >30: Renal losses ... SatyaPatelMD #Volume #Hyponatremia ... #algorithm #diagnosis
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Osmolarity 2) Urine ... Osmolarity 3) Urine ... High Uric Acid → renal
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia ... examination, check urine ... uric acid: - Urine ... - Urine sodium ... Differential #Algorithm #Diagnosis
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Hyponatremia - Diagnostic ... Check Uosm and/or Urine ... DrEricStrong #Hyponatremia ... #Diagnosis #Workup
Hyponatremia - Differential Diagnosis and Evaluation Algorithm
In addition to edema and urine concentration, always consider urine
Hyponatremia - Differential ... Diagnosis and Evaluation ... addition to edema and urine ... always consider urine ... #Differential #Diagnosis
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
- Differential Diagnosis ... Framework and Workup ... - RenalUrine ... #Differential #Diagnosis ... #Workup #nephrology
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypo-osmolar Hypotonic HypoNatremia ... Status, Check Urine ... Na, Urine Osm ... #Hyponatremia ... #Algorithm #Diagnosis