41 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... HYPOVOLEMIC • extra-renal ... - fevers • renal ... nephrotic syndrome • renal ... #Diagnosis #Workup
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, Differential ... Diagnosis, and ... Drugs - SIADH Renal ... Classification #Differential ... #Diagnosis #Table
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... mOsm/kg - Implies renal ... , Ingestion Renal ... Diagnosis #Workup
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ... • Renal Failure ... Hypovolemic - GI losses, renal ... Hypothyroidism, adrenal
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Differential Diagnosis ... and Evaluation ... of Hyponatremia: ... cardiac, liver, renal ... drug history #Diagnosis
Evaluation of Secondary Hypertension
 • Primary aldosteronism - PRA, PAC
 • Renal artery stenosis - Renal
Evaluation of Secondary ... - PRA, PAC • Renal ... artery stenosis - Renal ... Hypertension #resistant #Evaluation ... #workup #diagnosis
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Diagnosis Algorithm ... GI losses • Renal ... #Diagnosis #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Diagnosis Algorithm ... GI losses • Renal ... #Diagnosis #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential ... UNa > 20: • Renal ... Bicarbonaturia with renal ... Acute or chronic renal
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... Diagnosis by Mechanism ... Hypothyroidism - Adrenal ... Suppressed - Advanced renal ... #Differential #