8 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
volume-based algorithm Urine ... : SIADH, Renal Sodium ... Present (Uosm ≥100): Hypovolemia ... #differential # ... #nephrology
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Hyponatremia (<135 ... helps to differentiate ... collecting duct in the kidneys ... Measured urine sodium ... #RAAS #Hypovolemia
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
approach to the differential ... Measure urine osmolality ... #Differential # ... Diagnosis #Treatment #management ... #nephrology #sodium
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Framework and Management ... Hyperuricemia • Hyponatremia ... nephrotoxicity to kidney ... causes #treatment #nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... history, exam, and urine ... DI; high dilute urine ... Diagnosis #Treatment #management ... #nephrology #sodium
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
thiazide-sensitive sodium ... Hypocalciuria (spot urine ... ratio 0.5%) Differential ... Syndrome #diagnosis #nephrology ... #management #pathophysiology
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Dehydration - Loss of sodium ... heat illness → Hypernatremia ... involvement: Muscles, Kidneys ... Collapse: • Pathophysiology
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
diabetes insipidus Differential ... Osm, Serum Sodium ... , Urine Sodium ... Polydipsia #diagnosis #management ... #nephrology