19 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
water retention 1) ... Serum Osmolarity 2) ... Urine Osmolarity 3) ... Acid → renal salt wasting ... #nephrology #sodium
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Workup Step #1 ... history Step #2 ... Uglucose Step #3 ... & desmopressin test ... #Sodium #nephrology
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. ... administration Step 3. ... - burns - fevers
Behcet's Syndrome - Diagnosis
Diagnostic Criteria for Behget's Syndrome (International Study Group for Behget's Disease):
 • Recurrent,
oral ulcers with 2 ... 3 episodes within ... period AND • Meeting ... ≥ 2 of the following ... Abnormal pathergy test
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Pathophysiology 1) ... Neurological event 2) ... Sodium loss from ... tubules 3) Naturiesis ... #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) ... urine osmolality 3) ... status, urine sodium ... #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
1) Is it hypotonic ... 2) Is ADH elevated ... up to 3x in the setting ... Treatment #management #nephrology ... #sodium
Evaluation of suspected incomplete Kawasaki Disease

1. AHA consensus recommendations
2. Infants ≤6 months old on day ≥7
Kawasaki Disease 1. ... recommendations 2. ... old on day ≥7 of fever ... should undergo lab testing ... LAD or RCA of 2
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
strategy with minimal testing ... Rome IV Criteria ... the following: 1. ... cultures, but test ... missing things" → fewer
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Muscle swelling - Fever ... Hyperuricemia • Hyponatremia ... obstruction 3. ... output: 200 ml/hr 3. ... causes #treatment #nephrology