The door creaked open. It was Sarah, a student who looked like she’d been living on cold espresso. “Dr. Vance? We’re ready for you.”
Leo felt a brief flash of panic. He glanced down at the book in his hand, feeling the weight of the ninth edition—a decade of refinements distilled into its pages. He remembered a specific tip from Chapter 4 about "The Wolf."
“The P-wave is the announcement,” Leo whispered to himself, “the QRS is the event, and the T-wave is the recovery.”
Dr. Sterling lowered his glasses, a rare look of approval crossing his face. “Good. Accurate. What’s your source?”
“It’s Wolff-Parkinson-White syndrome, sir,” Leo said, his voice steadying. “You can see the shortened PR interval and that classic delta wave on the upstroke of the QRS. The electricity is taking a shortcut.”
On the mahogany table before him sat a book with a bright, minimalist cover: The Only EKG Book You’ll Ever Need, 9th Edition .
