103 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... algorithm Urine ... : SIADH, Renal Sodium ... differential #diagnosis #table ... #sodium #nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... in addition) of volume ... examination, check urine sodium ... acid: - Urine sodium ... #Differential #Algorithm
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Differential Diagnosis Algorithm ... Hypovolemic - Give volume ... treat underlying cause ... Differential #Diagnosis #Algorithm ... diagnosis #nephrology #sodium
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Effective Circulating Volume ... ”) - Volume depletion ... Differential #Diagnosis #Table ... #Causes #Sodium
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Differential Diagnosis Table ... Na (FeNa) • Volume ... Differential #Diagnosis #Table ... #nephrology #sodium
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
electrolyte abnormality caused ... the total body sodium ... osmolality, urine sodium ... among the possible causes ... in blood urea causes
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Volume Based Approach ... Hypothyroidism, Low solute ... SatyaPatelMD #Volume ... #Hyponatremia #algorithm ... #diagnosis #sodium
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... Assess volume status ... • extra-renal volume ... fevers • renal volume ... Diagnosis #Workup #Algorithm
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
109 mEq/L • Sodium ... shift • Saline Causes ... Decreased GFR, urine volume ... • Saline May Cause ... increases interstitial volume
Causes of Urinary Incontinence - Differential Diagnosis Algorithm
 - Transient - Easily reversible cause (DIAPPERS)
Causes of Urinary ... Differential Diagnosis Algorithm ... Easily reversible cause ... closed - Small Volume ... Differential #Diagnosis #Algorithm