13 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
and Workup Step ... Repeat the sodium ... Step 2. ... EUVOLEMIC • SIADH ... #Algorithm #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... renal mechanism 2) ... insipidus (central or nephrogenic ... #Algorithm #nephrology ... #sodium
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diabetes Insipidus Workup ... history Step #2 ... #Management #Algorithm ... #Sodium #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Serum Osmolarity 2) ... Osmolarity 3) Urine Sodium ... Low Uric Acid → SIADH ... Diagnosis #Algorithm #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... Neurological event 2) ... Sodium loss from ... #SaltWasting #SIADH ... #hyponatremia #
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
, Dehydration: neurologic ... water unavailable 2) ... Diabetes Insipidus: neurogenic ... Diagnosis #Treatment #management ... #nephrology #sodium
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Basically anything 2. ... promoting passive sodium ... the serum Na+ in 2- ... #Management #hyponatremia ... #nephrology #treatment
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... promoting passive sodium ... SatyaPatelMD #SIADH ... #Management #hyponatremia ... #nephrology #treatment
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
occurs in only 2- ... Pseudohyponatremia, SIADH ... intoxication Initial Workup ... Polydipsia #diagnosis #management ... #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... 3 questions to work ... 2) Is ADH elevated ... Diagnosis #Treatment #management ... #nephrology #sodium