| Similarity | Rank | |
|---|---|---|
| CPR | 0.711 | 18327 |
| defibrillator | 0.697 | 55191 |
| AEDs | 0.690 | 74415 |
| defibrillators | 0.689 | 77005 |
| CHF | 0.646 | 36427 |
| Emergency | 0.617 | 7840 |
| ICD | 0.611 | 53371 |
| Cardiac | 0.610 | 33623 |
| INR | 0.610 | 37576 |
| emergency | 0.597 | 2319 |
| resuscitation | 0.587 | 40780 |
| EMS | 0.586 | 19818 |
| Aid | 0.578 | 9011 |
| CPO | 0.578 | 61998 |
| ARV | 0.576 | 63285 |
| Paramedics | 0.575 | 79124 |
| cardiopulmonary | 0.575 | 63246 |
| SGD | 0.571 | 96166 |
| Responder | 0.568 | 73442 |
| ACLS | 0.563 | 76380 |
| USD | 0.560 | 7764 |
| ISF | 0.559 | 80385 |
| Ambulance | 0.557 | 32770 |
| Paramedic | 0.556 | 74936 |
| 9-1-1 | 0.553 | 52492 |