How accurate is the Apple Watch Series 9 ECG app compared to a medical grade 12-lead electrocardiogram when detecting asymptomatic atrial fibrillation in healthy adults?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
How accurate is the Apple Watch Series 9 ECG app compared to a medical grade 12-lead electrocardiogram when detecting asymptomatic atrial fibrillation in healthy adults?
2 real searches · 1 real-search pass
Apple Watch Series 9 ECG accuracy sensitivity specificity compared 12-lead ECG atrial fibrillation asymptomatic adults studyGoogle ↗
OBSERVEDReason
Apple Watch single-lead ECG 12-lead ECG atrial fibrillation diagnostic accuracy systematic review asymptomatic screening healthy adultsGoogle ↗
OBSERVEDReason
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (2)
Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT2 real searches · gpt-6
Apple Watch Series 9 ECG accuracy sensitivity specificity compared 12-lead ECG atrial fibrillation asymptomatic adults study Google ↗
Apple Watch single-lead ECG 12-lead ECG atrial fibrillation diagnostic accuracy systematic review asymptomatic screening healthy adults Google ↗
- Diagnostic Accuracy of Apple Watch Electrocardiogram for Atrial Fibrillation: A Systematic Review and Meta-Analysis · pmc.ncbi.nlm.nih.gov
- Diagnostic Accuracy of Apple Watch Electrocardiogram for Atrial Fibrillation: A Systematic Review and Meta-Analysis · jacc.org
- Diagnostic Accuracy of Apple Watch Electrocardiogram for Atrial Fibrillation: A Systematic Review and Meta-Analysis · pubmed.ncbi.nlm.nih.gov
- Take an ECG with the ECG app on Apple Watch · support.apple.com
- The accuracy of Apple Watch measurements: a living systematic review and meta-analysis · nature.com
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
Apple Watch Series 9 ECG accuracy sensitivity specificity compared 12-lead ECG atrial fibrillation asymptomatic adults study OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
Apple Watch single-lead ECG 12-lead ECG atrial fibrillation diagnostic accuracy systematic review asymptomatic screening healthy adults OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 |