13 results
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Differential Diagnosis Algorithm ... Hypovolemic - Give volume ... treat underlying cause ... CKD, Thiazides, Hypothyroidism ... diagnosis #nephrology #sodium
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Differential Diagnosis Algorithm ... Liver Disease • Hypothyroidism ... #Anemia #MCV #Classification ... #Causes #Hematology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Volume Based Approach ... acid <4 • SIADH, Hypothyroidism ... SatyaPatelMD #Volume ... #Hyponatremia #algorithm ... #diagnosis #sodium
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 ... or low Uosm), Hypothyroidism ... diagnosis #table #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 ... • SIADH • hypothyroidism ... Diagnosis #Workup #Algorithm
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Effective Circulating Volume ... ”) - Volume depletion ... Endocrinopathies - Hypothyroidism ... Diagnosis #Table #Causes ... #Sodium
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... Medications (diuretics), Hypothyroidism ... polydipsia, Low solute ... #Hyponatremia #Algorithm ... #diagnosis #sodium
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Differential Diagnosis Algorithm ... Potomania - Low solute ... • Euvolemic - Hypothyroidism ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Hepatorenal Syndrome (HRS)

Definition:
• Functional, potentially reversible kidney impairment.
• Occurs in advanced liver disease: cirrhosis, severe alcoholic
Effective arterial volume ... ATN, volume depletion ... Classification: ... Unresponsive to volume ... • Urine sodium
Management of Hyponatremia
Hypertonic Saline - Only indicated if patient has severe symptoms + Na < 125
Give
/L Raised ECF volume ... SIADH — look for cause ... hourly • Identify Cause ... Hyponatremia #Management #algorithm ... #treatment #sodium