Hyponatremia resident survival guide: Difference between revisions
Jump to navigation
Jump to search
| Line 21: | Line 21: | ||
{{familytree | E01 | | E02 | | | | E03 | | | | | | | | E04 | E01= Hypovolemia <br>| E02= Hypervolemia| E03= Euvolemia | E04= Treat the cause }} | {{familytree | E01 | | E02 | | | | E03 | | | | | | | | E04 | E01= Hypovolemia <br>| E02= Hypervolemia| E03= Euvolemia | E04= Treat the cause }} | ||
{{familytree | |!| | | |!| | | | | |!| | | | | | | | | | | }} | {{familytree | |!| | | |!| | | | | |!| | | | | | | | | | | }} | ||
{{familytree | F01 | | F02 | | | | F03 | | | | | | | | | | F01= Spot urine Na < 10, <br> BUN/Creatinine > 20:1, <br> Urine osmolality > 450 | F02= | F03= }} | {{familytree | F01 | | F02 | | | | F03 | | | | | | | | | | F01= Spot urine Na < 10, <br> BUN/Creatinine > 20:1, <br> Urine osmolality > 450 | F02= Same as hypovolemia, <br> Spot urine Na < 10, <br> BUN/Creatinine > 20:1, <br> Urine osmolality > 450| F03= }} | ||
{{familytree | |!| | | |!| | | |,|-|^|-|.| | | | | | | | | }} | {{familytree | |!| | | |!| | | |,|-|^|-|.| | | | | | | | | }} | ||
{{familytree | G01 | | G02 | | G03 | | G04 | | | | | | | | G01= GI, Renal losses, <br> Dehydration, Diuretics, <br> Adrenal insufficiency, <br> cerebral salt wasting syndrome | G02= | G03= | G04= }} | {{familytree | G01 | | G02 | | G03 | | G04 | | | | | | | | G01= GI, Renal losses, <br> Dehydration, Diuretics, <br> Adrenal insufficiency, <br> cerebral salt wasting syndrome | G02= | G03= | G04= }} | ||
Revision as of 17:22, 20 November 2013
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Definition
Causes
Life Threatening Causes
Conditions that may cause death or permanent disability within the next 24 hours
Common Causes
Management
| Serum sodium < 135 | |||||||||||||||||||||||||||||||||||||||||||||
| Plasma osmolality | |||||||||||||||||||||||||||||||||||||||||||||
| Hypotonic < 280 | Isotonic/Hypertonic (Pseudohyponatremia) > 280 | ||||||||||||||||||||||||||||||||||||||||||||
| Assess volume status | Osmotically active compounds, glucose, protein, lipid, hypertonic fluid i.e. mannitol, sorbitol | ||||||||||||||||||||||||||||||||||||||||||||
| Hypovolemia | Hypervolemia | Euvolemia | Treat the cause | ||||||||||||||||||||||||||||||||||||||||||
| Spot urine Na < 10, BUN/Creatinine > 20:1, Urine osmolality > 450 | Same as hypovolemia, Spot urine Na < 10, BUN/Creatinine > 20:1, Urine osmolality > 450 | ||||||||||||||||||||||||||||||||||||||||||||
| GI, Renal losses, Dehydration, Diuretics, Adrenal insufficiency, cerebral salt wasting syndrome | |||||||||||||||||||||||||||||||||||||||||||||
| (a) Normal saline; (b) If neurological sign/symptoms 3% hypertonic saline, and furosemide | |||||||||||||||||||||||||||||||||||||||||||||