Monitoring an elderly vitals

Thanks for asking about the new ECG feature.

Check here for availability in your region: ECG

ECG requires the current non-beta version of iOS and watchOS. For additional help with the ECG feature on your Apple Watch, take a look at these articles.

Heart rate notifications on your Apple Watch - Apple Support

Taking an ECG with the ECG app on Apple Watch Series 4 or later - Apple Support

If you have any other questions please reach out to our team here: https://apple.co/HeartFeatures. If you believe that you are experiencing a medical emergency, please dial your local emergency services.

Take care 

All the health data from the watch is sent to the health app on the phone,there is no way to remotely access this information,the only way to see this data is on the phone that the watch is paired too.

You can export an ECG to your doctor;

How to share ECG results with your doctor

Take an ECG from your Apple Watch.

Go to the health app

tap on browse

tap on heart

tap on ecg

tap on sinus rhythm

scroll down to export pdf to your doctor.