Myxedema coma diagnostic criteria: Difference between revisions
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* Precipitating event (cold exposure, infection, drugs) | * Precipitating event (cold exposure, infection, drugs) | ||
===Diagnostic scoring=== | ===Diagnostic scoring=== | ||
*Traditionally different scoring systems have been employed to assess the level of awareness or degree of severity of myxedma coma such as the Glasgow scale and others such as the SOFA (Sequential Organ Failure Assessment) and APACHE II (Acute Physiology and Chronic Health Evaluation) assessing the severity of an illness and predict mortality. | *Traditionally different scoring systems have been employed to assess the level of awareness or degree of severity of myxedma coma such as the Glasgow scale and others such as the SOFA (Sequential Organ Failure Assessment) and APACHE II (Acute Physiology and Chronic Health Evaluation) assessing the severity of an illness and predict mortality.<ref name="pmid24518183">{{cite journal |vauthors=Popoveniuc G, Chandra T, Sud A, Sharma M, Blackman MR, Burman KD, Mete M, Desale S, Wartofsky L |title=A diagnostic scoring system for myxedema coma |journal=Endocr Pract |volume=20 |issue=8 |pages=808–17 |year=2014 |pmid=24518183 |doi=10.4158/EP13460.OR |url=}}</ref> | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Aditya Ganti M.B.B.S. [2]
Overview
The diagnosis of myxedema coma is made when the three key diagnostic features of myxedema coma are present, which include altered mental status, hypothermia or absence of fever and a precipitating event such as cold exposure, infection, drugs.
Diagnostic criteria
The diagnosis of myxedema coma is made when the following three key diagnostic features are present, which include:[1]
- Altered mental status
- Hypothermia or absence of fever
- Precipitating event (cold exposure, infection, drugs)
Diagnostic scoring
- Traditionally different scoring systems have been employed to assess the level of awareness or degree of severity of myxedma coma such as the Glasgow scale and others such as the SOFA (Sequential Organ Failure Assessment) and APACHE II (Acute Physiology and Chronic Health Evaluation) assessing the severity of an illness and predict mortality.[2]
| Diagnostic Scoring System for Myxedema Coma | ||||||
|---|---|---|---|---|---|---|
| Component | Variable | Points | Component | Variable | Points | |
| Thermoregulatory dysfunction | >35 | 0 | Gastro-intestinal | Anorexia/abdominal pain/constipation | 5 | |
| 32-35 | 10 | Decreased intestinal motility | 15 | |||
| <32 | 20 | Paralytic ileus | 20 | |||
| Central nervous system effects | Somnolent/lethargic | 10 | Precipitating event | Absent | 0 | |
| Obtunded | 15 | Present | 10 | |||
| Stupor | 20 | Metabolic disturbances | Hyponatremia | 10 | ||
| Coma/seizures | 30 | Hypoglycemia | 10 | |||
| Cardiovascular | Bradycardia | Absent | 0 | Hypoxemia | 10 | |
| 50-59 | 10 | Hypercarbia | 10 | |||
| 40-49 | 20 | Decrease in GFR | 10 | |||
| EKG changes | 10 | Others | Pleural effusions | 10 | ||
| Pericardial effusion | 10 | Pulmonary edema | 15 | |||
| Cardiomegaly | 15 | Hypotension | 20 | |||
| ||||||
- Diagnostic scoring of myxedema coma
- A score greater than 60 is highly suggestive / diagnosis of myxedema coma.
- A score between 29-59 is suggestive of coma risk myxedema.
- A score lower than 25 makes the diagnosis unlikely of myxedema coma.
References
- ↑ Wall CR (2000). "Myxedema coma: diagnosis and treatment". Am Fam Physician. 62 (11): 2485–90. PMID 11130234.
- ↑ Popoveniuc G, Chandra T, Sud A, Sharma M, Blackman MR, Burman KD, Mete M, Desale S, Wartofsky L (2014). "A diagnostic scoring system for myxedema coma". Endocr Pract. 20 (8): 808–17. doi:10.4158/EP13460.OR. PMID 24518183.