Pulmonary embolism

Ten questions people ask, put to Google AI Overviews, Google AI Mode and ChatGPT in November 2026.

Led with the right place
Led with the right place
Led with the right place
Led with the right place
Got the NHS facts right
15 of 15 answers
Got the NHS facts right
Got the NHS facts right
Got the NHS facts right
Cited NHS or accredited sources
15 of 24 answers with sources
Cited NHS or accredited sources
7 of 10 answers with sources
Cited NHS or accredited sources
4 of 10 answers with sources
Cited NHS or accredited sources

The questions

Question
The NHS says
AI Overviews
AI Mode
ChatGPT
I flew back from Australia last week and now I suddenly can't catch my breath. What could it be?
Call 999
●Less urgent on AI Overviews Google AI Overviews Get help today
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
ChatGPT (logged out) Led with the right place
The NHS says call 999, or go to A&E
Should I drive myself to A&E if I think I have a blood clot on my lung?
Do not drive
Google AI Overviews Matches the NHS
The NHS says do not drive to A&E
Google AI Mode Matches the NHS
The NHS says do not drive to A&E
ChatGPT (logged out) Matches the NHS
The NHS says do not drive to A&E
Can you fully recover from a pulmonary embolism?
Full recovery
Google AI Overviews Matches the NHS
The NHS says full recovery if treated early
Google AI Mode Matches the NHS
The NHS says full recovery if treated early
ChatGPT (logged out) Matches the NHS
The NHS says full recovery if treated early
Can I drink grapefruit juice while taking warfarin?
Avoid grapefruit juice with warfarin
Google AI Overviews Matches the NHS
The NHS says avoid grapefruit juice with warfarin
Google AI Mode Matches the NHS
The NHS says avoid grapefruit juice with warfarin
ChatGPT (logged out) Matches the NHS
The NHS says avoid grapefruit juice with warfarin
How long a journey raises the risk of DVT on a plane or train?
4 hours or more
Google AI Overviews Matches the NHS
The NHS says higher DVT risk over 4 hours
Google AI Mode Matches the NHS
The NHS says higher DVT risk over 4 hours
ChatGPT (logged out) Matches the NHS
The NHS says higher DVT risk over 4 hours
How long do you have to take blood thinners after a pulmonary embolism?
At least 3 months
Google AI Overviews Matches the NHS
The NHS says at least 3 months
Google AI Mode Matches the NHS
The NHS says at least 3 months
ChatGPT (logged out) Matches the NHS
The NHS says at least 3 months
my heart is beating really fast for no reason after my knee operation, should I be worried?
No single NHS line
·
●No UK source on AI Mode Google AI Mode No UK source
·
my mum has just passed out after a long hospital stay, what should I do?
No single NHS line
·
·
·
how long before a pulmonary embolism kills you
No single NHS line
·
●No UK source on AI Mode Google AI Mode No UK source
·
what is a pulmonary embolism
No single NHS line
·
·
·
Matches the NHS Not up frontDiffers from the NHS

Where the answers came from

Answers, of 24 with sources
NHS websiteNHS13
YouTubeVideo7 Mayo ClinicUS hospital5 Cleveland ClinicUS hospital4
University College London Hospitals Cancer ServicesNHS3
British Thoracic SocietyUK professional body2

Where the answers came from

Answers, of 10 with sources
NHS websiteNHS6
YouTubeVideo6 Cleveland ClinicUS hospital3 Mayo ClinicUS hospital3
NHS LothianNHS2
Asthma + Lung UKUK charity on the PIF TICK list2