11 results
True Hyponatremia Differential Algorithm

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

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... and Workup Step ... Assess volume status ... #Diagnosis #Workup ... #Algorithm #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... mechanism 2) Volume Status ... • Euvolemic (Low ... #Algorithm #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... Reset osmostat, Cerebral ... Primary polydipsia, Low ... #Algorithm #diagnosis ... #sodium #nephrology
Cerebral Venous Thrombosis (CVT) - Management Algorithm
Prognostic score for CVT:
Variables: Malignancy 2, Coma 2, Deep venous
Cerebral Venous ... ) - Management Algorithm ... thrombosis 2, Mental status ... haemorrhage 1 <3: Low ... #neurology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... and metabolic alkalosis ... Osmotic diuresis, Cerebral ... #Causes #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Renal losses, Cerebral ... Hypothyroidism, Low ... #algorithm #diagnosis ... #sodium #low #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Differential Diagnosis Algorithm ... Appropriately Low ... Acute Respiratory Alkalosis ... #nephrology #phosphorus ... #workup
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... can be high or low ... Insufficiency, Cerebral ... Primary polydipsia), Low ... table #sodium #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
attention to volume status ... Then, ask 3 questions ... to work through ... Assess volume status ... Treatment #management #nephrology