Hyponatremia differential diagnosis: Difference between revisions
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! rowspan="4" |Disease | ! rowspan="4" |Disease | ||
! colspan="12" |Clinical manifestations | ! colspan="12" |Clinical manifestations | ||
! colspan=" | ! colspan="6" |Paraclinical Findings | ||
|- | |- | ||
| colspan="12" |Symptoms and Signs | | colspan="12" |Symptoms and Signs | ||
| colspan=" | | colspan="6" |Lab Findings | ||
|- | |- | ||
| rowspan="2" |Muscle weakness/ Cramps | | rowspan="2" |Muscle weakness/ Cramps | ||
| Line 34: | Line 31: | ||
| rowspan="2" |Serum Osmolality | | rowspan="2" |Serum Osmolality | ||
| rowspan="2" |ADH levels | | rowspan="2" |ADH levels | ||
|- | |- | ||
|Urine Na | |Urine Na | ||
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| | | | ||
|Normal or ↑ | |Normal or ↑ | ||
|- | |- | ||
|Congestive heart failure | |Congestive heart failure | ||
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| | | | ||
|↑ | |↑ | ||
|- | |- | ||
|Cirrhosis | |Cirrhosis | ||
| Line 105: | Line 95: | ||
| | | | ||
|↑ | |↑ | ||
|- | |- | ||
|SIADH | |SIADH | ||
| Line 128: | Line 115: | ||
| | | | ||
|↑ | |↑ | ||
|- | |- | ||
|Hypothyroidism | |Hypothyroidism | ||
| Line 151: | Line 135: | ||
| | | | ||
|↑ | |↑ | ||
|- | |- | ||
|Adrenal insufficiency | |Adrenal insufficiency | ||
| Line 174: | Line 155: | ||
| | | | ||
|↑ | |↑ | ||
|- | |- | ||
|Psychogenic polydipsia | |Psychogenic polydipsia | ||
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| | | | ||
|↑ | |↑ | ||
|- | |- | ||
|Beer drinker's potomania | |Beer drinker's potomania | ||
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| | | | ||
|↓ | |↓ | ||
|- | |- | ||
|Pregnancy | |Pregnancy | ||
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| | | | ||
|↓ | |↓ | ||
|- | |- | ||
|Anorexia (Chronic malnutrition) | |Anorexia (Chronic malnutrition) | ||
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| | | | ||
|<nowiki>-</nowiki> | |<nowiki>-</nowiki> | ||
|- | |- | ||
|Diuretic induced hyponatremia | |Diuretic induced hyponatremia | ||
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|<nowiki>-</nowiki> | |<nowiki>-</nowiki> | ||
|- | |- | ||
|Non oliguric ATN | |Non oliguric ATN | ||
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| | | | ||
|<nowiki>-</nowiki> | |<nowiki>-</nowiki> | ||
|- | |- | ||
|Diseases causing 3rd spacing (Pancreatitis, SBO) | |Diseases causing 3rd spacing (Pancreatitis, SBO) | ||
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| | | | ||
|<nowiki>-</nowiki> | |<nowiki>-</nowiki> | ||
|- | |- | ||
|Gastroenteritis | |Gastroenteritis | ||
| Line 358: | Line 315: | ||
| | | | ||
|<nowiki>-</nowiki> | |<nowiki>-</nowiki> | ||
|- | |- | ||
|Sweating | |Sweating | ||
| Line 381: | Line 335: | ||
| | | | ||
|<nowiki>-</nowiki> | |<nowiki>-</nowiki> | ||
|- | |- | ||
|Pseudohyponatremia | |Pseudohyponatremia | ||
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| | | | ||
|Normal or ↑ | |Normal or ↑ | ||
| | | | ||
|} | |} | ||
Revision as of 17:25, 30 April 2018
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Hyponatremia Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Hyponatremia differential diagnosis On the Web |
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American Roentgen Ray Society Images of Hyponatremia differential diagnosis |
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Risk calculators and risk factors for Hyponatremia differential diagnosis |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Saeedeh Kowsarnia M.D.[2] Iqra Qamar M.D.[3]
Overview
Hyponatremia must be differentiated from other diseases that cause
Differentiating Hyponatremia from other Diseases
| Disease | Clinical manifestations | Paraclinical Findings | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Symptoms and Signs | Lab Findings | |||||||||||||||||
| Muscle weakness/ Cramps | Oliguria | Vomiting/ Diarrhea | Confusion/ Dizziness | Volume status | JVP | Edema | Crackles | Ascites | Tachycardia | Hypotension | Dry mucous membranes | CBC | Urine Analysis | Serum Osmolality | ADH levels | |||
| Urine Na | Urine Osm | FeNa | ||||||||||||||||
| Renal failure | +/- | +/- | - | +/- | Hypervolemic | + | + | + | + | - | - | - | >20 | - | >1% | Normal or ↑ | ||
| Congestive heart failure | +/- | - | - | +/- | Hypervolemic | + | + | + | + | - | - | - | <10 | - | <1% | ↑ | ||
| Cirrhosis | +/- | - | - | +/- | Hypervolemic | + | + | + | + | - | - | - | <10 | - | <1% | ↑ | ||
| SIADH | +/- | - | - | +/- | Euvolemic | - | - | - | - | - | - | - | - | >100 | - | ↑ | ||
| Hypothyroidism | +/- | - | - | +/- | Euvolemic | - | - | - | - | - | - | - | - | >100 | - | ↑ | ||
| Adrenal insufficiency | +/- | - | - | +/- | Euvolemic | - | - | - | - | - | - | - | - | >100 | - | ↑ | ||
| Psychogenic polydipsia | +/- | - | - | +/- | Euvolemic | - | - | - | - | - | - | - | - | <100 | - | ↑ | ||
| Beer drinker's potomania | +/- | - | - | +/- | Euvolemic | - | - | - | - | - | - | - | - | <100 | - | ↓ | ||
| Pregnancy | +/- | - | - | +/- | Euvolemic | - | - | - | - | - | - | - | - | Variable | - | ↓ | ||
| Anorexia (Chronic malnutrition) | +/- | - | - | +/- | Euvolemic | - | - | - | - | - | - | - | - | Variable | - | - | ||
| Diuretic induced hyponatremia | +/- | + | - | +/- | Hypovolemic | - | - | - | - | + | + | + | >20 | - | >1% | - | ||
| Non oliguric ATN | +/- | - | - | +/- | Hypovolemic | - | - | - | - | + | + | + | >20 | - | >1% | - | ||
| Diseases causing 3rd spacing (Pancreatitis, SBO) | +/- | + | +/- | +/- | Hypovolemic | - | - | - | - | + | + | + | <10 | - | <1% | - | ||
| Gastroenteritis | +/- | + | + | +/- | Hypovolemic | - | - | - | - | + | + | + | <10 | - | <1% | - | ||
| Sweating | +/- | + | - | +/- | Hypovolemic | <10 | - | <1% | - | |||||||||
| Pseudohyponatremia | +/- | - | - | +/- | Normal or ↑ | |||||||||||||