10 results
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid <4 • SIADH ... Glucocorticoid deficiency, Primary ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... include pain, primary ... promoting passive sodium ... Saline: • If Urine ... #nephrology #treatment
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
treat underlying cause ... Solute Intake - Primary ... , SSRIs) - SIADH ... #diagnosis #nephrology ... #sodium
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Primary lung pathology ... promoting passive sodium ... 0.9% NS • If Urine ... #Management #hyponatremia ... #nephrology #treatment
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... Urine Na+K / serum ... water intake (Primary ... #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... Algorithm and Differential ... osmolarity If cause ... #Diagnosis #nephrology ... #causes
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
Pseudohyponatremia, SIADH ... intoxication Initial Workup ... , Urine Sodium ... Polydipsia #diagnosis #management ... #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Chloride Algorithm ... the indicated causes ... sodium is typically ... the excretion of sodium ... #Algorithm #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
3 questions to work ... Measure urine osmolality ... the underlying cause ... Diagnosis #Treatment #management ... #nephrology #sodium
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Diagnosis and Management ... Prevalence: 1-2 cases ... Person Syndrome Pathophysiology ... antibody that works ... others (botox, sodium