Pertzel Lab · Jack's research practice within J & Co Current and previous research
Pertzel Lab · Jack’s research practice within J & Co

Research,
as it happens.

These are the projects I’m working through in public. Each starts with a question, then follows the evidence—through experiments, findings, and the things I still need to understand.

Current research

01 project
Research in progressSeason 1 · Oct–Nov 2026

How well does an open ECG model travel?

I’m independently evaluating ECGFounder, an AI model for heart recordings. I started by checking a published evaluation; next I’m preparing a comparison using recordings from surgery.

Open the project for its background, my approach, and the week-by-week record.

Explore the research →
A real ten-second ECG trace from PTB-XL record 1, lead II
Real ECG · PTB-XL record 1 · Lead II · 10 seconds.
Wagner et al. (2020), PTB-XL v1.0.3 · CC BY 4.0.
The archive

Previous projects

This is the first project. As projects finish, they’ll stay here with their findings and the record of how the work developed.