11 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Utilizing Uric Acid ADH ... Sodium 4) Serum ... Low Uric Acid → SIADH ... Diagnosis #Algorithm #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) Sodium ... Hypovolaemia → ADH ... → Increased urine ... Pathophysiology #diagnosis #nephrology ... #hyponatremia #
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... volume-based algorithm Urine ... restriction alone in SIADH ... , Renal Sodium loss ... #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... treat underlying cause ... , SSRIs) - SIADH ... Algorithm #diagnosis #nephrology ... #sodium
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
lower than 80% in cases ... in blood urea causes ... Measured urine sodium ... #hyponatremia #ADH ... EBV #potomania #SIADH
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
promoting passive sodium ... Saline: • If Urine ... antagonists: • Blocks ADH ... #Management #hyponatremia ... #nephrology #treatment
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
vast majority of cases ... , ADH (appropriately ... Measure urine osmolality ... Treatment #management #nephrology ... #sodium
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Treat underlying cause ... promoting passive sodium ... vaptans) • Blocks ADH ... #Management #hyponatremia ... #nephrology #treatment
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
with suppressed ADH ... Pseudohyponatremia, SIADH ... Osm, Serum Sodium ... , Urine Sodium ... diagnosis #management #nephrology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... Aldolase ↑ • LDH ... Hyperuricemia • Hyponatremia ... Cast formation: ... #treatment #nephrology