Part II: EchoNext Clears FDA for Six Structural Heart Conditions Off a Standard ECG, Lands on OpenEvidence, and Logs the First AI-Triggered Heart Transplant: Reading the Cardiac Screening Land Grab

Pathway Labs cleared the FDA for six structural heart conditions off one ECG. The $8.5M seed round is the least interesting part of this announcement.

The model trained on 700k+ ECG-echo pairs at NewYork-Presbyterian. In a 3,200-ECG head-to-head, it hit 77% accuracy vs 64% for cardiologists. That gap is real.

Then it landed on OpenEvidence, used by 750k+ …