12 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
1 . ... Repeat the sodium ... Step 2. ... administration Step 3. ... #Algorithm #Nephrology
Hypernatremia - Diagnostic Evaluation Algorithm
Step 1: Consider history. Most patients presenting with hypernatremia are either very
1: Consider history ... Step 2: Check Uosm ... has DI, determine ... #Evaluation #Algorithm ... #Sodium
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Step #1 - Consider ... history Step #2 ... Uglucose Step #3 ... #Sodium #nephrology ... #insipidus #DI
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
water retention 1) ... Serum Osmolarity 2) ... Urine Osmolarity 3) ... Low Uric Acid → SIADH ... #nephrology #sodium
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... renal mechanism 2) ... #Algorithm #nephrology ... #sodium
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Evaluation Algorithm ... Step 1: Consider ... elevated Step 2: ... Gravity Step 3: ... #Evaluation #Algorithm
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Pathophysiology 1) ... Neurological event 2) ... Sodium loss from ... tubules 3) Naturiesis ... #hyponatremia #
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Diagnosis and Evaluation ... : 1) Identification ... acute vs. chronic) 2) ... confusion, seizures) 3) ... #Hypovolemic #Euvolemic
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
Algorithm 1) Check ... serum osmolality 2) ... urine osmolality 3) ... status, urine sodium ... #nephrology
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Options 1. ... hospitalization) 3. ... promoting passive sodium ... #Management #hyponatremia ... #nephrology #treatment