10 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Diagnosis Algorithm ... water retention 1) ... Serum Osmolarity 2) ... Low Uric Acid → SIADH ... #nephrology #sodium
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Workup Step 1 ... Repeat the sodium ... Step 2. ... EUVOLEMIC • SIADH ... Diagnosis #Workup #Algorithm
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... Pathophysiology 1) ... Neurological event 2) ... Sodium loss from ... #hyponatremia #
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... 1) Check Urine ... renal mechanism 2) ... insipidus (central or nephrogenic ... #nephrology #sodium
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... Workup Step #1 ... history Step #2 ... #Sodium #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... +K / serum Na >1 ... , Renal Sodium loss ... differential #diagnosis #table ... #sodium #nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
output is a clue). 1) ... water unavailable 2) ... Diabetes Insipidus: neurogenic ... ([Na] / 140) - 1) ... #sodium
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Options 1. ... Basically anything 2. ... purposes, restrict to 1 ... promoting passive sodium ... #Management #hyponatremia
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
Algorithm 1) Check ... serum osmolality 2) ... status, urine sodium ... #Diagnosis #Algorithm ... #nephrology
Hyponatremia Differential Diagnosis Algorithm in Cancer
UOsm ≥ 100 mOsm/kg = Urine is inappropriately concentrated for hypotonic
Diagnosis Algorithm ... CAR-T- and IL-2- ... inappropriate • SIAD ... adrenalitis; PD-1 ... #nephrology #oncology