13 results
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Heart failure, Cirrhosis ... Inappropriate - Consider: SIADH ... differential #algorithm #causes ... #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... treat underlying cause ... (CHF, cirrhosis ... , SSRIs) - SIADH ... Algorithm #diagnosis #nephrology
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... Contraindicated in cirrhosis ... SatyaPatelMD #SIADH ... #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 ... restriction alone in SIADH ... Present (Uosm ≥100): SIADH ... Heart failure, Cirrhosis ... table #sodium #nephrology
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
SIADH Treatment ... administered • This can cause ... Contraindicated in cirrhosis ... #Management #hyponatremia ... #nephrology #treatment
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... • Euvolemia: SIADH ... Failure, Liver Cirrhosis ... Algorithm #diagnosis #causes ... #nephrology #sodium
Management of Hyponatremia
Hypertonic Saline - Only indicated if patient has severe symptoms + Na < 125
Give
Management of Hyponatremia ... • Cirrhosis - ... Normalizes in SIADH ... • IF SIADH — ... look for cause
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
is usually caused ... 3 questions to work ... the underlying cause ... Diagnosis #Treatment #management ... #nephrology #sodium
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
irrigation • Management ... nephrotic syndrome • Hyponatremia ... Kidney stones caused ... and euvolemic hyponatremia ... Excretion #Diuresis #Nephrology
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
• Symptomatic hyponatremia ... Pseudohyponatremia, SIADH ... intoxication Initial Workup ... Polydipsia #diagnosis #management ... #nephrology