AHA ECC Pre-hospital Systems of Care · Working group

Virtually Witnessed Emergencies

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Supporting research

Papers, corporate and platform policies, guidance and background reading that support the project but are not cases themselves. Individual emergencies go in the Case list.

+ Add a reference
Authors. Title. Journal or publisher Year;volume:pages. PMID/DOI. For a policy: the company, policy name and year, e.g. "Twitch Community Guidelines – medical emergencies (2026)".
Full web address: PubMed, DOI, policy page or PDF.
How it relates to our question. Choose Other to type your own.
For policies and guidance, e.g. Zoom, Microsoft, Discord, Twitch, NENA, HHS. Leave blank for papers.
e.g. 2023
One or two lines on what it shows and how we might use it, e.g. "Method model: systematic search of 140 online OHCA videos."

Direct evidence

ReferenceRelevance
Beger SB, Mejia E, Bobrow BJ. Challenges of remotely witnessed emergencies – a case of international out-of-hospital cardiac arrest recognition via video call. Am J Emerg Med 2023;63:182.e1–e3. PMID 36544292
2023 · added by Initial list
Authors describe it as the first report of OHCA witnessed in a remote international video meeting: a 41-year-old woman in Houston, witnessed by a co-worker in Australia on a 1-on-1 Zoom call. Predicts these events will become more common. edit
Haranath SP. Conversations from the other side: optimizing interactions using remote technology for critical care. 2023
2023 · added by Initial list
Author describes aborting home telemedicine consults for critically ill patients and having to call an ambulance and update EMS remotely; no case-level detail. edit

Method model

ReferenceRelevance
Features and circumstances of out-of-hospital cardiac arrests caught on camera: an analysis of publicly available online videos. Resuscitation 2025
2025 · added by Initial list
Systematic search of online videos (140 cases) – a template for mining public video of virtual-platform events. edit

Adjacent evidence

ReferenceRelevance
Einvik S, et al. Could video assisted CPR improve treatment in complex cardiac arrest situations? A case report. Resusc Plus 2024;21:100836. PMID 39758756
2024 · added by Initial list
Norwegian dispatcher video-CPR; shows what a video link to the scene adds once 911 is reached. edit
Live video from bystanders' smartphones to improve cardiopulmonary resuscitation. Resuscitation 2021
2021 · added by Initial list
52 OHCA cases with live video during the emergency call. edit

Grey literature

ReferenceRelevance
US Patent 11,863,597 B1 – Remote rescue system, device and method for accidents and events during video meetings
added by Initial list
States the problem plainly: video-call participants have no easy way to alert responders for another participant, since 911 is handled locally. edit

Platform / corporate policy

ReferenceRelevance
Zoom Community – 'Health Emergency Reporting' and 'Emergency' threads (2022–2025)
Zoom · 2023 · added by Initial list
Users report colleagues collapsing on calls and ask for a way to share location and emergency contacts with participants; Zoom's reply points only to Zoom Phone emergency calling. Evidence of a platform gap. edit
Microsoft Teams – emergency call disclaimer banners (admin feature)
Microsoft · 2022 · added by Initial list
Teams Phone can show admins' custom banners on emergency calls, but there is no participant-to-participant emergency alert in meetings. edit
Discord – Mental health on Discord / safety guidance
Discord · added by Initial list
Tells users to contact law enforcement right away even with limited information; police can request user identity from Discord Trust & Safety. edit
Twitch Community Guidelines – loss of control of a broadcast
Twitch · added by Initial list
Twitch temporarily removes a channel when a streamer loses control of the broadcast due to a medical emergency; reports go to Twitch, not to responders. edit
TikTok – contacting emergency services for credible, imminent threats (as reported)
TikTok · 2026 · added by Initial list
TikTok says it may contact local emergency services when there is a specific, credible and imminent threat to life. edit

Legal / regulatory

ReferenceRelevance
Browning JG. I Feel Your (Livestreamed) Pain: Virtual Bystander Recovery. Baylor Law Review 2023
2023 · added by Initial list
Legal analysis of 'virtual bystander' claims, including a nursing-home resident whose daughter watched her arrest on FaceTime and called EMS. Useful for the legal workstream. edit

Guidance / standards

ReferenceRelevance
HHS Telehealth – Creating an emergency plan for telebehavioral health
U.S. HHS · added by Initial list
Confirm the patient's location each visit and record local emergency numbers, because 911 only reaches the caller's local centre. A model for meeting-platform guidance. edit

Technology / solution

ReferenceRelevance
Northern911 – out-of-jurisdiction 911 transfer line and telehealth emergency transfer service
Northern911 (Ontario) · added by Initial list
PSAPs can call one number to be transferred to almost any PSAP in the US and Canada (not international). A Canadian example of solving the wrong-jurisdiction problem. edit
Google Android – Emergency Live Video to 911
Google · 2025 · added by Initial list
Dispatchers can request live video from a caller's phone once connected; helps after the right 911 centre is reached, but not with routing from a remote witness. edit

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