38 results
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... acid: - Urine sodium ... uric acid high in hypovolemic ... and hypervolemic ... #Differential #Algorithm
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Differential Diagnosis Algorithm ... Hypovolemic - Give ... volume Hypervolemic ... treat underlying cause ... diagnosis #nephrology #sodium
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... Hypernatremia: • Hypovolemic ... access to H2O • Hypervolemic ... Diagnosis #Workup #Algorithm ... #nephrology #sodium
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Differential Diagnosis Algorithm ... Dependent: • Hypovolemic ... • Hypervolemic ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... HYPOVOLEMIC • ... psychogenic polydipsia HYPERVOLEMIC ... Diagnosis #Workup #Algorithm
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
to Hyponatremia Hypovolemic ... Primary polydipsia Hypervolemic ... #Hyponatremia #algorithm ... #diagnosis #sodium
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
symptoms (HA, nausea ... #Hyponatremia #Hypovolemic ... #Euvolemic #Hypervolemic ... #Differential #Algorithm
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
electrolyte abnormality caused ... among the possible causes ... in blood urea causes ... is divided into hypervolemic ... , hypovolemic, and
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Hypovolemic Shock ... differential #diagnosis #algorithm ... #causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... hormone secretion Hypervolemia ... renal failure Hypervolemia ... #Causes #nephrology