Diagnosis of Myxoedema Coma

In this article, we will discuss the Diagnosis of Myxoedema Coma. So, let’s get started.


1. T3, T4, TSH: The T3 and T4 levels are low and TSH levels are high.

2. Plasma cortisol: This is done to find out cortisol insufficiency which is commonly associated with it.

3. Random blood sugar: Hypoglycemia can occur.

4. Blood gas analysis: It is done in order to find out hypoxemia and hypercapnia.

5. Serum sodium and plasma osmolarity: Dilutional hyponatremia is common in 50% of patients due to inappropriate secretion of ADH.

6. EKG: For low voltage graph or cardiac involvement (conduction defects, pericardial effusion)

7. Chest x-ray: May show cardiomegaly due to pericardial effusion or features of congestive cardiac failure.

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