13 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Diagnosis Workup Algorithm ... mechanism 2) Volume ... Diuretics, osmotic (solute ... Diagnosis #Workup #Algorithm
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... HYPOVOLEMIC • ... extra-renal volume ... psychogenic polydipsia HYPERVOLEMIC ... Diagnosis #Workup #Algorithm
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Diagnosis and Evaluation ... of Hyponatremia ... Assessment of volume ... #Hypervolemic # ... #Differential #Algorithm
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... in addition) of volume ... uric acid high in hypovolemic ... and hypervolemic ... #Differential #Algorithm
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Volume Based Approach ... to Hyponatremia ... Hypovolemic, Serum ... #Hyponatremia # ... algorithm #diagnosis
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Features According to Volume ... Status - Hypervolemic ... Hypodipsia - Renal hypovolemic ... - Extrarenal hypovolemic ... Features #Diagnosis #Comparison
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Diagnosis Algorithm ... Hypovolemic - Give ... volume Hypervolemic ... UnremarkableLab #Hyponatremia
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ... Dependent: • Hypovolemic ... • Hypervolemic ... thecurbsiders #Hyponatremia
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Hyponatremia - Diagnostic ... Evaluation Algorithm ... Step 3: Assess volume ... Diagnosis #Workup #Evaluation ... #Algorithm
POCUS Echocardiogram Volume Assessment

Echo provides increased accuracy and insight into volume state assessment. This grid illustrates
POCUS Echocardiogram ... state: - A hypervolaemic ... POCUS - minimum ... Assessment #Diagnosis #Comparison ... #Hypovolemic #Hypervolemic