40. Thyrotoxicosis (Thyroid Storm)

Question 1

Thyrotoxicosis:

- death can occur within _____ without tx

Answer 1

48 hours

Question 2

Thyrotoxicosis:

May develop spontaneously, but occurs in individuals who have…

Answer 2

undiagnosed or partially-treated severe hyperthyroidism with excessive life stress

Question 3

Thyrotoxicosis Causes

Answer 3

• Infection, Pulmonary or cardiovascular disorders, Trauma, Burns, Seizures, Surgeries especially thyroid surgeries, Obstetric complications, Emotional distress, Dialysis.

Question 4

Thyrotoxicosis s/s:

Answer 4

• Sudden release/↑ of thyroxine (T4) and triiodothyronine (T3)
• Hyperthermia
• Tachycardia: Atrial tachydysrhythmias
• High-output HF
• Agitation/delirium
• N/V/D = fluid volume depletion

Question 5

Thyrotoxicosis Treatment:

Answer 5

• (Propylthiouracil (PTU): inhibits thyroid hormone conversion
• Thiamazole/ Tapazole)
• BB for cardio symptoms
• Corticosteroids
• Iodine
• Supportive care
• Plasma exchange
• Thyroidectomy