Interpret This ECG & Make a Diagnosis In This Board Review Question

Welcome to the next episode of The Reveal, where we take you inside the mind of a test taker to deconstruct and connect the dots of a board-style question so you can become a better student, transform how you learn, and excel not only on high-stakes exams but also in your general medical knowledge. Let’s get started.

---

A 74-year-old woman with a history of hypothyroidism presents to the ED with confusion, rigors, and lightheadedness. Vital signs are BP 110/64 mm Hg, HR 48 beats per minute, RR 12 breaths per minute, and T 95.2°F. Her electrocardiogram is shown above. Which of the following is the most likely diagnosis?

A) Digoxin toxicity

B) Hyperosmolar nonketotic coma

C) Myxedema coma

D) Nephrogenic diabetes insipidus

Check out all of the episodes of “The Reveal” on the Rosh Review YouTube Channel.