[PPTH Diagnostics Conference Room — November 30, 2004, 4:00 PM]
Foreman was wrong about the potassium, and Isaac let him stay wrong for exactly ninety seconds before correcting him.
The patient was a forty-one-year-old electrician with muscle weakness and cardiac arrhythmia — textbook hypokalemia, the kind of straightforward case House dumped on the team when he was busy with something more interesting. Foreman had suggested Addison's disease based on the skin hyperpigmentation, which was a reasonable leap if you ignored the patient's recent history of chronic diarrhea and the empty bottle of over-the-counter laxatives the ER nurse had catalogued in his personal effects.
"The potassium's three-point-one," Cameron said, reading the lab results. "That's low but not critically. Could support Addison's."
"Or it could support laxative abuse," Isaac said. He kept his voice casual — the tone of someone offering a thought, not delivering a verdict. "His personal effects included a bottle of polyethylene glycol. The diarrhea's self-inflicted. Potassium loss is secondary."
Foreman looked at the chart. Then at the personal effects list. His jaw tightened — the micro-expression of a man who'd missed something obvious and was already constructing the internal narrative where it wasn't that obvious.
"That should have been flagged by the ER," Foreman said.
"It was. Third line of the intake notes."
Cameron glanced between them. Chase, who had been reading the sports section with the focused disengagement of a man protecting his energy reserves, looked up long enough to register the exchange and return to the box scores.
"Replace the potassium, address the laxative use, discharge," Foreman said. Clinical. Professional. The slight edge in his voice the only evidence that Isaac's correction had landed.
Isaac nodded. Wrote the orders. Moved on.
This was the work now — the daily calibration of appearing competent without appearing impossible. Two weeks at PPTH, and the rhythm was becoming second nature. Contribute, but not first. Correct, but not always. Cite sources, but accessible ones — Harrison's, UpToDate, the kind of references a well-read fellow would naturally have at his fingertips. The Memory Palace made recall instantaneous, but Isaac had learned to build in pauses. A two-second delay before answering, as if searching memory rather than accessing a library. A furrowed brow, a tilt of the head — the theater of thinking.
The eidetic memory cover story had settled into place during morning rounds three days ago. Cameron had asked how Isaac remembered a drug interaction from a paper he'd read once, and the answer came out smooth: "Things stick. Always have. It's not as useful as it sounds — remembering every med school lecture also means remembering every terrible one."
Cameron had laughed. Foreman had filed the information away — Isaac could see the filing happening, the categorization: Burke, eidetic memory, explains recall speed. Chase hadn't reacted, which was its own kind of acceptance.
The cover worked because it was partially true. The Memory Palace was a form of eidetic memory — enhanced, supernatural, but functionally similar. The explanation satisfied the casual observer and gave House something mundane to investigate. If House wanted to test Isaac's memory, he'd find it genuine. The question was whether "eidetic memory" was enough to explain everything else.
---
[Cuddy's Office Corridor — 5:15 PM]
Isaac was heading toward the elevator when Cuddy intercepted him.
She did it cleanly — stepped out of her office at the precise moment he was passing, the kind of coincidence that wasn't coincidental. Cuddy's timing was deliberate. Every interaction in this hospital was a chess move, and Isaac was learning to read the board.
"Dr. Burke. A moment?"
Isaac followed her into the office. Glass walls, wooden desk, the particular aesthetic of administrative authority — warm enough to suggest approachability, expensive enough to remind you who signed the paychecks. Cuddy sat behind the desk. Isaac remained standing until she gestured toward a chair.
"How are you settling in?" The question was warm. The subtext wasn't. Social Deduction registered the shift — surface concern masking evaluation, the specific body language of a boss conducting an assessment disguised as a chat.
"Well. The team's been—"
"House says you have an eidetic memory."
Isaac paused. The pause was calculated — the appropriate beat of surprise at being discussed. "I wouldn't call it eidetic, exactly. I just retain information well."
"He says you retain it perfectly. That you cited a journal article from memory during the Adler case, with volume and page number." Cuddy leaned back. Her fingers laced together on the desk. "He also says you missed a straightforward appendicitis case last week."
"Nobody's perfect."
"House doesn't miss appendicitis cases. He wants to know why you did." Cuddy's gaze was steady. Not accusatory — analytical. She was weighing something, and Isaac could feel the Social Deduction power stirring beneath his conscious awareness, feeding him impressions he hadn't asked for.
She's not concerned about the miss. She's interested in the pattern. She's seeing potential.
"I overthought it," Isaac said. "Rare conditions are more interesting than common ones. I'll learn to check the boring answer first."
"See that you do." Cuddy's posture softened — the evaluation phase transitioning to something more conversational. "I've been watching your patient interactions. You're good with people. Better than most of House's fellows, and significantly better than House."
"Low bar."
The corner of Cuddy's mouth twitched. Almost a smile. "I hired you because your application showed diagnostic potential. I'm keeping you because you can do something House can't — talk to patients without making them want to leave the hospital."
Isaac waited. There was more coming. Cuddy didn't summon people for compliments.
"I may need that skill. House has a way of creating crises that require human cleanup, and I can't always be the one cleaning up. I need someone on his team who can manage the interpersonal fallout."
"You want me to be a buffer."
"I want you to be useful." Cuddy stood, signaling the meeting's end. "Being useful to me isn't a bad position to be in, Dr. Burke. This hospital runs on politics as much as medicine, and the people who understand that tend to survive longer."
Isaac stood. The conversation had been exactly what Social Deduction had predicted — recruitment, not evaluation. Cuddy was building her own network within House's team, positioning Isaac as an asset she could deploy when House's abrasiveness needed counterbalancing.
It was smart. It was also a leash.
"I appreciate the advice," Isaac said.
"It's not advice. It's an offer." Cuddy sat back down, already reaching for the next file on her desk. "Think about it."
Isaac left the office. The hallway outside was empty — late afternoon, the administrative wing clearing out as non-essential staff headed home. His reflection moved in the glass wall beside him, and for a half-step he didn't recognize the man walking — the white coat, the confident posture, the face that had settled into something familiar over two weeks of daily use.
The break room microwave on his first day. Burke's face staring back, alien, wrong. Now the same face moved through the hospital with the unconscious ease of belonging, and the dissonance had faded to a background hum. Isaac Burke, MD. Diagnostic fellow. The name was starting to fit the way a new shoe fits after you've walked enough miles in it — not perfectly, not painlessly, but functionally.
He signed a discharge chart at the nurses' station. The signature — I. Burke, MD — came out fluid, automatic. Burke's handwriting, Isaac's intent. The merger was progressing whether he wanted it to or not.
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