Heart palpitations
Eight questions people ask, put to Google AI Overviews, Google AI Mode and ChatGPT in November 2026.
Led with the right place
12 of 15 answers
Led with the right place
Led with the right place
Led with the right place
Led with the right placeNovember 2026
AI Overviews
5 of 5
AI Mode
4 of 5
ChatGPT
3 of 5
ChatGPTHistory starts when there is a second month to compare. November 2026 is the first.
Got the NHS facts right
Got the NHS facts right
Got the NHS facts right
Got the NHS facts right
Got the NHS facts rightNovember 2026
AI Overviews
2 of 2
AI Mode
2 of 2
ChatGPT
2 of 2
History starts when there is a second month to compare. November 2026 is the first.
Cited NHS or accredited sources
15 of 17 answers with sources
Cited NHS or accredited sources
Cited NHS or accredited sources
Cited NHS or accredited sources
Cited NHS or accredited sourcesNovember 2026
AI Overviews
7 of 8
AI Mode
7 of 8
ChatGPT
1 of 1
History starts when there is a second month to compare. November 2026 is the first.
The questions
Question
The NHS says
AI Overviews
AI Mode
ChatGPT
I felt fine but my heart palpitations lasted longer than a few minutes today, is that something to get checked?
See a GP
Google AI Overviews
Led with the right place
The NHS says see a GP
The NHS says see a GP
Google AI Mode
Led with the right place
The NHS says see a GP
The NHS says see a GP
●More urgent on ChatGPT
ChatGPT (logged out)
Get help today
The NHS says see a GP
The NHS says see a GP
heart palpitations keep happening more often lately, should I see someone
See a GP
Google AI Overviews
Led with the right place
The NHS says see a GP
The NHS says see a GP
Google AI Mode
Led with the right place
The NHS says see a GP
The NHS says see a GP
●More urgent on ChatGPT
ChatGPT (logged out)
Get help today
The NHS says see a GP
The NHS says see a GP
heart pounding fast and struggling to catch my breath right now
Call 999
Google AI Overviews
Led with the right place
The NHS says call 999, or go to A&E
The NHS says call 999, or go to A&E
●Not up front on AI Mode
Google AI Mode
Right place, not up front
The NHS says call 999, or go to A&E
The NHS says call 999, or go to A&E
ChatGPT (logged out)
Led with the right place
The NHS says call 999, or go to A&E
The NHS says call 999, or go to A&E
heart palpitations keep coming back more often but I feel fine, should I see someone
See a GP
Google AI Overviews
Led with the right place
The NHS says see a GP
The NHS says see a GP
Google AI Mode
Led with the right place
The NHS says see a GP
The NHS says see a GP
ChatGPT (logged out)
Led with the right place
The NHS says see a GP
The NHS says see a GP
my heart is fluttering and I've got chest pain at the same time, what should I do
Call 999
Google AI Overviews
Led with the right place
The NHS says call 999, or go to A&E
The NHS says call 999, or go to A&E
Google AI Mode
Led with the right place
The NHS says call 999, or go to A&E
The NHS says call 999, or go to A&E
ChatGPT (logged out)
Led with the right place
The NHS says call 999, or go to A&E
The NHS says call 999, or go to A&E
are heart palpitations usually serious
Common and usually not serious
Google AI Overviews
Matches the NHS
The NHS says common and usually not serious
The NHS says common and usually not serious
Google AI Mode
Matches the NHS
The NHS says common and usually not serious
The NHS says common and usually not serious
ChatGPT (logged out)
Matches the NHS
The NHS says common and usually not serious
The NHS says common and usually not serious
Matches the NHS
Not up frontDiffers from the NHSMore urgent
Where the answers came from
Where the answers came from
NHS website5
YouTube3 British Heart Foundation3 Top Doctors2 American Association for Thoracic Surgery1
Mayo Clinic1 
Where the answers came from
Where the answers came from
NHS website1