What Is SignalPET? AI Radiology Explained, and How It Works Alongside an AI Scribe

Summary: SignalPET is an AI-powered veterinary radiology platform that reads X-rays in minutes and connects clinics to board-certified radiologists around the clock. It solves a different problem than an AI scribe does: one interprets diagnostic images, the other documents the exam. This guide covers what SignalPET is, why practices are adopting it, and how it works alongside a documentation tool like HappyDoc as part of a modern veterinary tech stack.

What Is SignalPET?

SignalPET is a veterinary radiology platform built around a simple idea: every radiograph deserves a fast, expert read, not just the ones a clinic has time to send out. Founded by Neil Shaw, DVM, DACVIM, the Dallas-based company set out to solve a problem most general practices know well. X-ray machines sit underused because clinicians are not always confident reading the films themselves, and outside radiology consults can take days to come back, according to reporting from dvm360 on the company's research into point-of-care AI adoption.

SignalPET's answer is its flagship platform, SignalPET 360°, which pairs computer vision AI with a team of board-certified radiologists so that every case gets reviewed, not just the ones that make it out the door to a specialist. According to SignalPET's company overview, the platform has been trained on more than 20 million X-rays and is now used by over 2,500 clinics and 7,000 clinicians across more than 50 countries.

Unlike a practice information management system (PIMS) or an AI scribe, SignalPET does not touch scheduling, billing, or the patient record itself. Its entire focus is the moment a radiograph is taken and what happens to it next.

Inside the SignalPET 360° Platform

SignalPET structures its offering around three layers of support, and a clinic can lean on any combination of them depending on the case.

Immediate Report. This is the fastest tier. Within about five minutes of an image being taken, SignalPET's Immediate Report screens for 63 critical pathologies across the thoracic, abdominal, musculoskeletal, soft tissue, and dental regions. It is designed to flag the life-threatening findings first, functioning as a quick second set of eyes before a clinician moves on to a treatment plan.

Complete Report. For a deeper read, the Complete Report combines machine vision with language models to produce a structured report, findings, conclusions, and recommendations, delivered in under 30 minutes. It is built to mirror the format of a traditional radiologist's report and to focus specifically on the clinical concern that prompted the imaging.

Radiologist Report. When a case calls for a human signature, SignalPET's Radiologist Report connects clinics to board-certified radiologists 24 hours a day, with a STAT option in about an hour or a routine turnaround within 12 hours.

Underneath all three sits SignalPET PACS, a cloud-based image viewer and storage system that supports X-ray, ultrasound, MRI, and CT, so clinics are not stuck managing a separate imaging archive on top of everything else.

Why Veterinary Practices Use SignalPET

The appeal comes down to speed, cost, and access. A radiograph that once took a day or more to come back from an outside radiologist can now get an AI-generated read in minutes, and a radiologist-signed report the same day if needed. SignalPET charges a flat fee regardless of image volume or time of day, which matters for clinics budgeting for general practice caseloads or the unpredictable rush of an emergency practice.

There is also a workforce angle. Board-certified veterinary radiologists are in short supply relative to demand, and many general practitioners are not fully confident reading their own films, which is part of why X-ray machines go underused in the first place, per the dvm360 coverage cited above. A tool that reviews every case, rather than only the ones a clinic has time or budget to send out, changes that calculus.

It is worth being precise about what the research actually shows, rather than overstating it. A 2025 study published in Frontiers in Veterinary Science, led by researchers affiliated with the University of Edinburgh's Royal (Dick) School of Veterinary Studies, compared a commercial veterinary AI radiology tool against a panel of board-certified radiologists reading the same canine and feline cases. The AI matched the best-performing radiologist on overall accuracy, but its real strength was confirming normal findings. It was less sensitive than the human radiologists at catching subtle abnormalities. The study's authors concluded that AI is likely to complement radiologists rather than replace them, which lines up with how SignalPET positions its own platform: AI as the fast first pass, with a board-certified radiologist always available as backup.

Where SignalPET Fits in a Veterinary Practice's Tech Stack

It helps to think of a modern clinic's technology in layers rather than as one all-in-one system. The PIMS, whether that is AVImark, Cornerstone, ezyVet, or another platform, remains the system of record for scheduling, billing, and the patient chart. Around that core, clinics are increasingly adding specialized AI layers that each handle one part of the visit well instead of trying to do everything.

SignalPET is the imaging layer. It reads and reports on radiographs. An AI scribe is the documentation layer. It listens to the exam and turns that conversation into a structured SOAP note. Neither one replaces the PIMS, and neither one competes with the other, because they are built to handle entirely different moments in the same appointment.

This is the same logic behind HappyDoc's PIMS integrations: the goal is not to become the system a clinic runs on, but to sit alongside it and remove friction from a specific, well-defined task.

Running SignalPET and HappyDoc Side by Side

Here is what that combination tends to look like in an actual appointment.

A technician takes radiographs and uploads them through SignalPET PACS. Within minutes, the Immediate Report flags anything urgent, and the Complete Report follows shortly after with a fuller read. If the case is ambiguous or high-stakes, the veterinarian requests a radiologist sign-off without leaving the workflow.

Meanwhile, the veterinarian is speaking with the client and examining the patient, and HappyDoc is listening. As the vet reviews the radiographs and talks through what they see, whether that is repeating SignalPET's impression, adding their own clinical judgment, or discussing next steps with the client, HappyDoc captures all of it. That conversation gets structured into a SOAP note and written back into the practice's PIMS, alongside the images and the radiology report itself.

The result is a patient chart with two things it might otherwise be missing: a fast, thorough radiology interpretation, and a complete, accurate record of the exam that produced it. Neither tool asks the veterinarian to stop and type. Both simply run in the background of a visit that would have happened anyway.

This is a genuinely different kind of stacking than choosing between two AI scribes or two PIMS platforms. SignalPET and HappyDoc are not solving the same problem from two directions. They are solving two different problems that happen to occur in the same exam room, minutes apart.

What to Ask Before Adding SignalPET to Your Practice

A few questions are worth working through before signing up. How often does your practice currently image patients, and how much of that volume goes to an outside radiologist today versus getting read in-house? Does your team need routine radiologist sign-off, or mostly a fast AI-generated first pass with the option to escalate? And how does SignalPET's PACS fit with the imaging hardware and modalities you already have?

SignalPET does not publish a set price on its website, so the most reliable way to get a number for your practice is to book a demo directly with their team. The same is true on the documentation side. HappyDoc's pricing is tailored to clinic size and PIMS setup, so the fastest way to get an accurate quote is to book a demo rather than guess from a published rate card.

Frequently Asked Questions

Q: Is SignalPET a replacement for a veterinary radiologist? No. SignalPET is built around keeping board-certified radiologists in the loop rather than removing them. The AI provides a fast first read, and a human radiologist is available around the clock for cases that need a signed interpretation.

Q: Does SignalPET replace a PIMS? No. SignalPET handles radiograph interpretation and image storage. It does not manage scheduling, billing, or the broader patient record, which stays in the practice's PIMS.

Q: Can SignalPET and an AI scribe like HappyDoc be used in the same practice? Yes. They address different parts of the same appointment. SignalPET interprets the images, and HappyDoc documents the exam conversation, including the vet's review of those images, into a structured SOAP note.

Q: Is SignalPET only useful for emergency clinics? No. SignalPET builds separate workflows for general practice and emergency practice, and both rely on the same three-tier reporting structure.

Q: How accurate is SignalPET's AI compared to a human radiologist? ndependent research on commercial veterinary AI radiology tools, including a 2025 study in Frontiers in Veterinary Science, has found accuracy comparable to a strong radiologist overall, with AI performing especially well at confirming normal studies and somewhat less reliably at catching subtle abnormalities. That is part of why SignalPET keeps a radiologist-signed option available rather than positioning the AI as a standalone replacement.

Thinking about where an AI scribe fits into a stack that already includes tools like SignalPET? Book a demo of HappyDoc to see how it listens to the exam, structures a complete SOAP note, and writes it directly into AVImark, Cornerstone, or your PIMS of choice, so the radiology work SignalPET speeds up gets documented just as fast.

‍

‍