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| Exclusion reason | Number |
|---|---|
| Presence of non-medical content (advertisements, news, and interviews) | 20 |
| Non-English language | 33 |
| Pediatric cardiopulmonary resuscitation footage | 23 |
| Lack of educational content, presence of live-action footage (real-life videos) | 6 |
| Comedy and entertainment content | 4 |
| CPR device demonstrations | 17 |
| Duplicate footage | 19 |
| Footage of cardiopulmonary resuscitation on animals | 1 |
| Total | 106 |
