17 results
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... addition) of volume status ... sodium low, uric ... and uric acid low ... #Diagnosis #Nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... Normal acid-base status ... the indicated causes ... #urine #Algorithm ... #nephrology #differential
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Identification of onset (acute ... symptoms (HA, nausea ... , confusion, seizures ... Assessment of volume status ... #Differential #Algorithm
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... mannitol, glucosuria Low ... Urine Osmolality ... #Nephrology #Differential ... #Causes
Hyponatremia with Severe Symptoms - Management Algorithm with Hypertonic Saline
The goal of acute management is to
Hyponatremia with ... Saline The goal of acute ... probably not the low ... Na causing the seizure ... Hypertonic #Saline #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... 1) Check Urine ... mechanism 2) Volume Status ... • Euvolemic (Low ... #nephrology #sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Measure urine osmolality ... Assess volume status ... the underlying cause ... of symptomatic (seizures ... Treatment #management #nephrology
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Hyponatremia (<135 ... asymptomatic to seizures ... in blood urea causes ... of low effective ... of low effective
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... chloridorrhea) • Status ... postchronic hypercapnia (acute ... Differential #Diagnosis #Causes ... #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... Urine Na+K / serum ... can be high or low ... table #sodium #nephrology