8 results
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
> 100): - RAAS ... ON (UNa < 30): ... syndrome - RAAS ... OFF (UNa > 30): ... Algorithm #diagnosis #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... alone in SIADH RAAS ... : SIADH, Renal Sodium ... Post-AKI diuresis) RAAS ... diagnosis #table #sodium
Visualizing Hypotonic Hyponatremia

 • UNa reveals RAAS activity.
 • UOsm reveals ADH activity.
 • ADH secretion
Visualizing Hypotonic Hyponatremia ... • UNa reveals ... RAAS activity ... appropriate only when RAAS ... nephrology #diagnosis #sodium
Hydropneumothorax on Lung POCUS

HIV/AID(CD4<250) with cough, dyspnea.Left lung anterior mid. Left lung. Findings consistent with PNA.
POCUS HIV/AID ... consistent with PNA ... within fluid-air bubbles ... hydropneumothorax #effusion #bubbles ... #POCUS #clinical
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
in the renal tubules ... activation of RAAS ... concentration (UNa ... #RAAS #Hypovolemia ... SIADH #Thiazides #UNAa
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) Sodium ... loss from tubules ... reabsorption 5) ↓ Na ... diagnosis #nephrology #hyponatremia
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
pain, primary lung ... • With lower Na ... promoting passive sodium ... osmolality < 538 AND UNa ... SIADH #Management #hyponatremia
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Pain, Primary lung ... using this as a long-term ... promoting passive sodium ... osmolality < 538 AND UNa ... SIADH #Management #hyponatremia