TSH, FT4, FT3
In primary hypothyroidism TSH will be elevated and T4 and T3 will be low
If the patient has secondary hypothyroidism (Pituitary dysfunction) the TSH may be low or normal and T4 and T3 will be low
Chemistry
Hyponatremia
Hypoglycemia
+/- Elevated creatinine
CBC
Mild anemia, leukopenia
Blood cultures
LFTs
Elevated transaminases
Elevated CPK
Cortisol level
VBG/ABG
Hypercapnia
Hypoxia
Lipid levels
Hypercholesterolemia
CXR
ECG
Sinus bradycardia
Non-specific ST-T wave changes
Prolonged QTc
Ventricular dysrhythmias
Bedside cardiac US for pericardial effusion
In primary hypothyroidism TSH will be elevated and T4 and T3 will be low
If the patient has secondary hypothyroidism (Pituitary dysfunction) the TSH may be low or normal and T4 and T3 will be low
Hyponatremia
Hypoglycemia
+/- Elevated creatinine
Mild anemia, leukopenia
Elevated transaminases
Hypercapnia
Hypoxia
Hypercholesterolemia
Sinus bradycardia
Non-specific ST-T wave changes
Prolonged QTc
Ventricular dysrhythmias
Myxedema coma
Adrenal crisis
Spinal shock
CHF
Neurogenic shock
CVA
Heat stroke
Depression