10 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Utilizing Uric Acid ADH ... Low Uric Acid → SIADH ... salt wasting By Rachel ... Diagnosis #Algorithm #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
algorithm Urine Na+K / serum ... restriction alone in SIADH ... , Renal Sodium loss ... #differential # ... #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... • UOsm > 300 - ADH ... , SSRIs) - SIADH ... Algorithm #diagnosis #nephrology ... #sodium
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Measuring the serum ... osmolality helps to differentiate ... having a fall in serum ... #hyponatremia #ADH ... EBV #potomania #SIADH
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
Algorithm 1) Check serum ... osmolality 3) ADH ... status, urine sodium ... Diagnosis #Algorithm #differential ... nephrology
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
diabetes insipidus Differential ... Pseudohyponatremia, SIADH ... Sodium, Urine Sodium ... Polydipsia #diagnosis #management ... #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
majority of cases, ADH ... Calculate serum ... 2) Is ADH elevated ... Diagnosis #Treatment #management ... #nephrology #sodium
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... promoting passive sodium ... antagonists: • Blocks ADH ... #Management #hyponatremia ... #nephrology #treatment
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
promoting passive sodium ... • Re-check the serum ... vaptans) • Blocks ADH ... #Management #hyponatremia ... #nephrology #treatment
Ascites - Diagnosis and Management Summary
Paracentesis studies: cell count + differential, albumin, protein, culture
 • Serum-ascites-albumin-gradient
Diagnosis and Management ... : cell count + differential ... protein, culture • Serum-ascites-albumin-gradient ... (SAAG): > 1.1 g ... cardiac ascites 1) Sodium