13 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Workup Step #1 ... Uglucose Step #3 ... #Sodium #nephrology ... #insipidus #DI
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... water retention 1) ... Urine Osmolarity 3) ... Acid → renal salt wasting ... #nephrology #sodium
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... 1) Check Urine ... • Euvolemic (Low ... #nephrology #sodium
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 ... Cerebral Salt Wasting ... #differential # ... #nephrology
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
Algorithm 1) Check ... urine osmolality 3) ... status, urine sodium ... #differential # ... hyponatremia #nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
urine osm (in DI ... output is a clue). 1) ... post-obstructive 3) ... ([Na] / 140) - 1) ... #sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
approach to the differential ... 1) Is it hypotonic ... up to 3x in the setting ... #Differential # ... #sodium
Patients with CHD are exceptionally sensitive to the effects of bronchiolitis on their volume status
Four principles
a Tet Spell 1.Redirect ... 0.05-0.1mg/kg. 3. ... Give IV sodium bicarbonate ... saturation is very low ... #Management #Peds
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Insufficiency - Algorithm ... Step 1) Screening ... require Cosyntropin testing ... Step 3) Differentiate ... - Low ACTH is
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
event, follow ACC algorithm ... determine if stress test ... Orthopedic • Low ... Cataract Plan for Meds ... surgery Stress Testing