257 results
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
and Features of Hyponatremia ... Hypervolemic hypernatremia ... syndrome - Acute ... Drugs - SIADH Renal ... Diagnosis #Table #Causes
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ... thecurbsiders #Hyponatremia ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... Hypothyroidism • Adrenal ... osmole intake #Hyponatremia ... #Causes
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... mmol/L - true hyponatremia ... hypothyroidism • adrenal ... failure #Hypernatremia ... Diagnosis #Workup #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... Hypothyroidism • Adrenal ... osmole intake #Hyponatremia ... #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... UNa > 20: • Acute ... Cardiac failure #Hyponatremia ... #Causes #nephrology
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Evaluation of Hyponatremia ... Identification of onset (acute ... symptoms (HA, nausea ... cardiac, liver, renal ... #Differential #Algorithm
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... solute intake, Renal ... #differential #algorithm ... #causes #nephrology
CLINICAL MANIFESTATIONS 
OF ADRENAL INSUFFICIENCY. 

Primary and secondary adrenal insufficiency:
 - Tiredness, weakness, mental depression
MANIFESTATIONS OF ADRENAL ... and secondary adrenal ... hypotension - Nausea ... , diarrhea - Hyponatremia ... Insufficiency #Addisons
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic ... Hyponatremia: Hyperglycemia ... Hypothyroidism, Adrenal ... #Algorithm #diagnosis