22 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Osmolarity 2) Urine ... Osmolarity 3) Urine ... Sodium 4) Serum ... Uric Acid → renal salt ... #Algorithm #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... • Cell shift: Hypokalemic ... syndrome #hypokalemia ... differential #algorithm #diagnosis ... #nephrology
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... (Heparin) • Sodium-channel ... • Exogenous (KCL ... #differential #diagnosis ... pharmacology #potassium #medications
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
ON (UNa < 30): Hypovolemia ... > 30): SIADH, Medications ... osmostat, Cerebral salt ... Hyponatremia #Algorithm #diagnosis ... #sodium #nephrology
The Urine / Plasma Electrolyte Ratio - Guide to Fluid Restriction in Hyponatremia
 • U/P Ratio
The Urine / Plasma ... + Medication (Urea ... MD @NephroMD #Urine ... #Hyponatremia #diagnosis ... #management #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid >4 • Urine ... losses, Cerebral salt ... uric acid >4 • Urine ... Hyponatremia #algorithm #diagnosis ... #sodium #low #nephrology
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
associated with hypokalemia ... overdose) - Sodium ... hypomagnesemia #Medications ... #differential #diagnosis ... #nephrology #Causes
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Cerebral Salt Wasting ... Neurological event 2) Sodium ... → Increased urine ... Pathophysiology #diagnosis ... #nephrology #hyponatremia
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic ... urine Cl; • ... urine Cl; • ... Other medications ... #algorithm #nephrology
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
post-operative phenomenon, medications ... tablets: • Start ... promoting passive sodium ... Saline: • If Urine ... #hyponatremia #nephrology