Hyponatremia differential diagnosis: Difference between revisions
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! rowspan="4" |Disease | ! rowspan="4" |Disease | ||
! colspan="11" |Clinical manifestations | ! colspan="11" |Clinical manifestations | ||
! colspan=" | ! colspan="5" |Paraclinical Findings | ||
|- | |- | ||
| colspan="11" |Symptoms and Signs | | colspan="11" |Symptoms and Signs | ||
| colspan=" | | colspan="5" |Lab Findings | ||
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| rowspan="2" |Muscle weakness/ Cramps | | rowspan="2" |Muscle weakness/ Cramps | ||
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| rowspan="2" |Hypotension | | rowspan="2" |Hypotension | ||
| rowspan="2" |Dry mucous membranes | | rowspan="2" |Dry mucous membranes | ||
| colspan="3" |Urine Analysis | | colspan="3" |Urine Analysis | ||
| rowspan="2" |Serum Osmolality | | rowspan="2" |Serum Osmolality | ||
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|Variable | |Variable | ||
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|Hypovolemic | |Hypovolemic | ||
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Revision as of 15:41, 10 May 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: Iqra Qamar M.D.[2] Saeedeh Kowsarnia 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 | Volume status | JVP | Edema | Crackles | Ascites | Tachycardia | Hypotension | Dry mucous membranes | 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 ↑ | ||||||||||||