22 results
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... acid: - Urine sodium ... uric acid high in hypovolemic ... and hypervolemic ... #Differential #Algorithm
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Repeat the sodium ... HYPOVOLEMIC • ... 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 ... symptoms (HA, nausea ... #Hypervolemic # ... #Differential #Algorithm
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Diagnosis Algorithm ... Hypovolemic - Give ... volume Hypervolemic ... treat underlying cause ... diagnosis #nephrology #sodium
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Diagnosis Workup Algorithm ... : • Hypovolemic ... Diagnosis #Workup #Algorithm ... #nephrology #sodium
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ... Dependent: • Hypovolemic ... • Hypervolemic ... #causes #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Hypovolemic, Serum ... Primary polydipsia Hypervolemic ... #algorithm #diagnosis ... #sodium #low #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic ... ON (UNa < 30): Hypovolemia ... #Algorithm #diagnosis ... #sodium #nephrology
Hypernatremia - Diagnostic Evaluation Algorithm
Step 1: Consider history. Most patients presenting with hypernatremia are either very
Hypernatremia - ... Diagnostic Evaluation ... Algorithm Step ... Diagnosis #Workup #Evaluation ... #Algorithm #Sodium
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Hyponatremia (<135 ... among the possible causes ... in blood urea causes ... , hypovolemic, and ... #RAAS #Hypovolemia