22 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
restriction alone in SIADH ... or Ineffective (UNa ... Present (Uosm ≥100): SIADH ... , Renal Sodium loss ... diagnosis #table #sodium
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... pain, primary lung ... promoting passive sodium ... osmolality < 538 AND UNa ... SatyaPatelMD #SIADH
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
SIADH Treatment ... underlying cause of SIADH ... Pain, Primary lung ... promoting passive sodium ... osmolality < 538 AND UNa
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
- RAAS ON (UNa ... - RAAS OFF (UNa ... > 30): SIADH, Medications ... Algorithm #diagnosis #sodium
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... Neurological event 2) Sodium ... reabsorption 5) ↓ Na ... #SaltWasting #SIADH
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
acid >4 • Urine Na ... losses • Urine Na ... uric acid <4 • SIADH ... acid >4 • Urine Na ... algorithm #diagnosis #sodium
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
ADH secretion (SIADH ... carcinoma of the lung ... Table #Causes #Sodium
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
the total body sodium ... concentration (UNa ... intravascular volume; UNa ... EBV #potomania #SIADH ... #Thiazides #UNAa
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
POCUS Young ... POCUS lung exam ... pulm edema not PNA ... Lung POCUS shows ... Lung POCUS invaluable
Hydropneumothorax on Lung POCUS

HIV/AID(CD4<250) with cough, dyspnea.Left lung anterior mid. Left lung. Findings consistent with PNA.
POCUS HIV/AID ... , dyspnea.Left lung ... Left lung. ... consistent with PNA ... effusion #bubbles #POCUS