7 results
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
pain, dizziness, volume ... , hypotension, hyponatremia ... , hypoglycemia Testing ... ACTH) stimulation test ... • Low or normal
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... hypothyroidism • adrenal insufficiency ... HYPERVOLEMIC • CHF ... Diagnosis #Workup #Algorithm ... #Nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Hypothyroidism, Adrenal insufficiency ... Cerebral salt wasting ... Primary polydipsia, Low ... solute intake, ... #sodium #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Volume Based Approach ... to Hyponatremia ... Cerebral salt wasting ... algorithm #diagnosis ... #sodium #low #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 ... Hypothyroidism, Adrenal Insufficiency ... Cerebral Salt Wasting ... #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... mechanism 2) Volume ... • Euvolemic (Low ... Matthew Ho, MD PhD ... #nephrology #sodium
Patients with CHD are exceptionally sensitive to the effects of bronchiolitis on their volume status
Four principles
Patients with CHD ... bronchiolitis on their volume ... principles of treating ... Give IV sodium bicarbonate ... Management #Peds #Pediatrics