Drug of choice for thyroid storm is: March 2008
**Core Concept**
The underlying principle being tested is the management of **thyrotoxic crisis**, a life-threatening condition requiring immediate intervention. **Thyroid storm** is a severe exacerbation of thyrotoxicosis, characterized by extreme **hyperthyroidism**. The goal is to rapidly reduce thyroid hormone production and alleviate symptoms.
**Why the Correct Answer is Right**
Although the specific correct answer is not provided, the standard treatment for thyroid storm typically involves **propylthiouracil** or **methimazole** to inhibit thyroid hormone synthesis, **iodine** to block hormone release, and **beta-blockers** to control adrenergic symptoms.
**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific option provided, it's challenging to pinpoint why it's incorrect.
**Option B:** Similarly, without details, we can't assess its validity.
**Option C:** This option would be incorrect if it didn't align with standard thyroid storm management protocols.
**Option D:** Any option not representing a standard treatment for thyroid storm would be incorrect.
**Clinical Pearl / High-Yield Fact**
A crucial point in managing thyroid storm is to start with **propylthiouracil** due to its ability to inhibit the peripheral conversion of T4 to T3, in addition to reducing thyroid hormone synthesis.
**Correct Answer:** Correct Answer: D. Propylthiouracil.