12 results
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... in addition) of volume ... low, uric acid ... and uric acid low ... #Diagnosis #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Workup Algorithm ... mechanism 2) Volume ... • Euvolemic (Low ... #Workup #Algorithm ... #nephrology #sodium
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Volume Based Approach ... Urine Na < 20: Heart ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... and Workup Step ... Repeat the sodium ... #Workup #Algorithm ... #Nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
algorithm Urine ... can be high or low ... renal perfusion (Heart ... #differential #diagnosis ... #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Algorithm Hypovolemic ... - Give volume Hypervolemic ... , CNS Disease, Meds ... #Algorithm #diagnosis ... #nephrology #sodium
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
: Hypovolemia, Heart ... Primary polydipsia, Low ... solute intake, ... #diagnosis #sodium ... #nephrology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Algorithm UOsm ... : Hypovolemia, Heart ... Primary polydipsia, Low ... solute intake, ... #causes #nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
- Differential Diagnosis ... Algorithm ADH ... Beer Potomania - Low ... Hypervolemic - Heart ... #nephrology
Non-ACS Myocardial Injury - Elevated Troponin Differential Diagnosis and Workup Algorithm

 • Chronic Myocardial Injury: End
and Workup Algorithm ... Disease, Structural Heart ... Tachycardia-induced HF, Severe Volume ... Takutsubo), Toxins, Contusion ... #Algorithm