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Emergency alert system · Built for stroke

When every second counts, we've already started helping.

StrokeSiren is a stroke-focused emergency alert and coordination system for patients, caregivers, and responders — built for the moments when speech, movement, memory, or phone access may fail.

We'll only use your email to notify you when StrokeSiren launches.

  • One-tap SOS
  • Voice guidance
  • Live location sharing
  • Proof-of-life check-ins
9:41Live

Help is on the way

Stroke alert · 02:14

EMS ETA

6 min

Distance

1.4 mi

Care team

EMS dispatched

En route
  • For Patients
  • For Caregivers
  • For Responders
  • For Hospitals & EMS

The impact

Strokes don't wait. Neither should you.

795K+

People in the U.S. have a stroke each year.

1.9M

Neurons can be lost every minute during a typical large-vessel ischemic stroke without treatment.

87%

Of stroke survivors may experience a fall within one year after stroke.

Every 40s

Someone in the U.S. has a stroke.

Features

Everything working together. So you don't have to.

Detection, alerts, location, guidance, coordination, and medical context — designed for emergencies, not edge cases.

Smart Detection

Fall, inactivity, missed check-ins, and no-response workflows trigger help automatically.

Multi-Channel Alerts

Calls, SMS, email, and push notifications reach the right people, in the right order.

Live Location

Lock-screen location sharing, ETA tracking, and responder routing in real time.

Audio Guidance

Hands-free instructions when the patient cannot type or think clearly.

Care Team Updates

Everyone sees who is responding, who is on the way, and what changed — live.

Medical Context

Baseline deficits, medications, allergies, anticoagulants, and home access notes.

The product

Powerful features designed for real emergencies.

  • Emergency SOS

    SOS

    Press & hold to activate
    Voice SOS · Silent SOS

    One-Tap SOS

    Immediate activation, including voice and silent options.

  • Proof of life

    Are you okay?

    Next check-in

    2:00 PM

    Missed → escalate

    Care team + EMS

    Proof of Life

    Check-ins with sleep-aware schedules and escalation.

  • Active incident

    Stroke alert

    Started 02:14 ago

    EMS ETA

    6 min

    Caregiver

    4 min

    Emergency Room

    Live incident coordination across the care team.

  • Medical ID

    Jordan Reyes · 68

    ConditionsHypertension, A-fib
    Blood thinnerApixaban
    AllergiesPenicillin
    BaselineMild aphasia

    Medical ID

    Critical info responders need before arrival.

  • Incapacitated mode

    No response detected

    • Monitoring vitals
    • Tracking location
    • Checking for response
    • Notifying care team
    • Alerting EMS

    Incapacitated Mode

    Protection when the patient cannot respond.

For first responders

Faster context, safer entry, clearer triage — before arrival.

StrokeSiren hands EMS and ER teams a structured stroke packet, household context, and a pre-arrival summary built around BE-FAST and last-known-well.

  • Stroke Assessment Packet

    BE-FAST prompts, last-known-well capture, symptom timeline, and baseline deficits.

  • Household Essentials

    Medication locations, door codes, pets, hazards, oxygen, and emergency-binder placement.

  • Photo & Video Context

    Optional low-bandwidth snapshots or stream so responders understand the scene sooner.

  • Battery-Aware Emergency Mode

    Prioritizes location, audio, medical ID, and responder updates when battery is low.

High-priority stroke alert

Last known well07:42
ETA6 min
PatientJordan R., 68
Risk factorsA-fib · Apixaban
Home accessGarage code 2418
DestinationMercy Comp. Stroke Ctr.

How it works

From trigger to handoff, in four steps.

  1. Step 01

    Trigger

    Tap, hold, voice, lock screen, watch, hub, fall detection, or a missed proof-of-life check-in.

  2. Step 02

    Alert

    Care team, emergency contacts, and responders receive status, location, and medical context.

  3. Step 03

    Coordinate

    Everyone sees live ETA, response status, medical info, and role assignments — in one place.

  4. Step 04

    Handoff

    A structured incident timeline and pre-arrival summary flow into the hospital handoff.

Why it matters

Better outcomes. Stronger recovery.

Faster response

Designed to shrink the gap between symptom and hospital — when minutes are millions of neurons.

Better outcomes

Built around BE-FAST and last-known-well so the right care happens at the right window.

Peace of mind

Caregivers know what is happening, who is responding, and what to do next.

Continuity of care

Structured handoff between home, EMS, and hospital — no information left on the kitchen counter.

Built for everyone in the chain

Built for the people who need it most.

Stroke patients

Designed for moments when speech, movement, cognition, or phone access may fail.

Caregivers & family

Stay informed, coordinate roles, respond faster, and reduce uncertainty.

First responders

Medical context, home access, hazards, and triage support before arrival.

Hospitals & EMS

Cleaner pre-arrival summaries and better continuity from field to care.

Coming soon

Be the first to experience peace of mind — coming soon.

Join the waitlist today and we'll notify you as soon as StrokeSiren launches.

We'll only use your email to notify you when StrokeSiren launches.

Launch priority access

When you join, you get:

  • Early access to the app
  • Launch updates
  • Stroke prevention resources
  • Caregiver setup guides