51 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Check plasma osmolality ... NORMAL PLASMA OSMOLALITY ... DECREASED PLASMA OSMOLALITY ... INCREASED PLASMA OSMOLALITY ... EUVOLEMIC • SIADH
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
retention 1) Serum Osmolarity ... 2) Urine Osmolarity ... Low Uric Acid → SIADH
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
same tests (serum osmolality ... , urine osmolality ... the patient has SIADH
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... Saline: • If Urine osmolality ... SatyaPatelMD #SIADH
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
SIADH Treatment ... underlying cause of SIADH ... NS • If Urine osmolality ... SatyaPatelMD #SIADH
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Measuring the serum osmolality ... concentration and urine osmolality ... fall in serum osmolality ... detect the plasma osmolality ... EBV #potomania #SIADH
Fluids, Electrolytes, Acid-Base
)
General Concepts
>
< Osmolality vs osmolarity
★
Osmolality
[H 20)
Milliosmoles per kg of water. The osmolality is the
Concepts > < Osmolality ... vs osmolarity ... ★ Osmolality [ ... The osmolality is ... Osmolarity (mOsm
Contrast dyes are divided into three groups based on their osmolarity.  High-osmolar contrast medium (HOCM),
based on their osmolarity ... LowOsmolarity #Osmolality
Diabetes Insipidus vs Syndrome of Inappropriate ADH (SIADH) - Comparison Table

Diabetes Insipidus - Inadequate ADH
SIADH -
Inappropriate ADH (SIADH ... Inadequate ADH SIADH ... Diabetes #Insipidus #SIADH
Algorithm for Management of SIADH with Fluid Restriction and Urea

by Helbert Rondon, MD @NephroMD

#SIADH #Management #algorithm
Management of SIADH ... @NephroMD #SIADH