# Matt Segar

> Personal site of Dr. Matt Segar — cardiac electrophysiologist, AI developer, and healthcare entrepreneur. Writing on medical AI, machine learning, web development infrastructure, and physician-built software.

Matt is a practicing cardiac electrophysiologist who builds software at the intersection of medicine and machine learning. Notable work includes the WATCH-DM Risk Score for heart failure prediction in diabetes, ReCODE Medical, and EPLog (an EP study logging app for cardiologists). The blog covers practical engineering posts (Next.js, Supabase, RunPod, Dokploy, R Plumber) and clinical/AI tooling experiences.

## Core pages

- [Home](https://segar.me/): Bio, research highlights, and projects.
- [CV](https://segar.me/cv.html): Full curriculum vitae — clinical training, publications, and research.
- [Blog index](https://segar.me/blog/index.html): All posts on medicine, AI, and software.
- [RSS feed](https://segar.me/feed.xml): Atom/RSS feed for blog posts.

## Projects

- [EPLog](https://segar.me/eplog.html): iOS app for cardiac electrophysiologists to log EP studies and ablation procedures.
- [VA Lab Formatter](https://segar.me/valabformatter/index.html): Tool that reformats VA CPRS lab data into a more readable view for clinicians.
- [Job Search Book](https://segar.me/job-search-book.html): Companion site for a book on the medical job search.
- [Book](https://segar.me/book.html): Author page for published work.

## Blog posts

- [Using Supabase MCP with Multiple Organizations in Claude Code](https://segar.me/blog/posts/supabase_multiple_orgs.html): Configuring multiple Supabase MCP servers in Claude Code to work across orgs without constant re-auth.
- [How I Boosted My Next.js Landing Page from 76 to 96 on Lighthouse](https://segar.me/blog/posts/nextjs_optimization.html): Replacing a 50KB animation library with CSS to fix render-blocking and gain 20 Lighthouse points.
- [PDF Text Extraction in Next.js Standalone Builds](https://segar.me/blog/posts/pdf_extraction.html): Debugging a PDF upload feature across browser polyfills, build tracing, and Docker containers.
- [Migrating Static Sites to Dokploy with Traefik and Let's Encrypt](https://segar.me/blog/posts/dokploy.html): Hosting static sites and React SPAs on Dokploy, with SSL and networking gotchas.
- [Embedding 500K Medical Texts with PubMedBERT on RunPod](https://segar.me/blog/posts/runpod.html): Running large-scale biomedical embeddings on GPU.
- [Doximity AI Scribe Experience](https://segar.me/blog/posts/doximity.html): Using Doximity's AI Scribe for cardiology documentation — setup and workflow.
- [Building a Simple Static Blog with JavaScript and Markdown](https://segar.me/blog/posts/static_blog.html): A lightweight, SEO-friendly blog from markdown files and static HTML templates.
- [CPRS Lab Formatter](https://segar.me/blog/posts/cprs_lab_formatter.html): Making VA CPRS EHR lab data easier to read.
- [R Bookdown Pagination](https://segar.me/blog/posts/bookdown_pagination.html): Understanding KDP pagination with R Bookdown.
- [R Plumber API on Heroku](https://segar.me/blog/posts/r_plumber.html): Deploying an R Plumber API on Heroku for serving ML models.
- [Weather Variability](https://segar.me/blog/posts/weather_variability.html): Which US county has the highest day-to-day weather variation?

## Optional

- [Privacy Policy](https://segar.me/privacy-policy.html): Site privacy policy.
- [Sitemap](https://segar.me/sitemap.xml): XML sitemap.