15 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 ... , Renal Sodium loss ... #differential #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
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 ... Pathophysiology #diagnosis
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
- RAAS ON (UNa ... - RAAS OFF (UNa ... > 30): SIADH, Medications ... Hyponatremia #Algorithm #diagnosis ... #sodium #nephrology
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
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 ... Hyponatremia #algorithm #diagnosis ... #sodium #low #nephrology
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Differential Diagnosis ... ADH secretion (SIADH ... carcinoma of the lung ... #Differential #Diagnosis ... Table #Causes #Sodium
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
POCUS lung exam ... pulm edema not PNA ... Lung POCUS shows ... Lung POCUS invaluable ... NOT definitively diagnose
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Differential Diagnosis ... (JVP, edema), Lung ... Exam, POCUS (B-lines ... , lung sliding) ... • Aspiration/PNA
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
irregular lines, nodular ... Organizing Pneumonia - Diagnosis ... Transaminases • UA ... • CTD workup: ANA ... pulmonary #ILD #diagnosis