9 results
True Hyponatremia Differential Algorithm

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

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... Check Urine Osmolality ... Skin loss • Euvolemic ... #sodium
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Diagnosis and Evaluation ... Diagnosis #EM #IM ... #Hypovolemic #Euvolemic ... #Differential #Algorithm ... #Ddxof
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
and Workup Step ... Repeat the sodium ... HYPOVOLEMIC • ... - diuretics EUVOLEMIC ... #Algorithm #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Hypovolemic, Serum ... Cerebral salt wasting Euvolemic ... #algorithm #diagnosis ... #sodium #low #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Inappropriate ADH - Euvolemic ... Malignancy True hypovolemia ... • Reduced GFR, AKI ... Hypo-osmolar urine
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Inappropriate ADH - Euvolemic ... Malignancy True hypovolemia ... • Reduced GFR, AKI ... Hypo-osmolar urine
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... : SIADH, Renal Sodium ... Present (Uosm ≥100): Hypovolemia ... diagnosis #table #sodium
Differential Diagnosis of Hypoglycemia
Evaluation of Hypoglycemia
Patients with known diabetes who are not systemically ill and can
of Hypoglycemia Evaluation ... : CXR, UA, urine ... Diagnosis #EM #IM ... #Differential #Algorithm ... #Hypoglycemic #Ddxof