{"id":1504640,"title":"Infographic: Do you feel faint when you get a needle?   - CIHR","sourceCode":"cihr","sourceName":"Canadian Institutes of Health Research","language":"en","captureDate":"2026-04-21","captureTimestamp":"2026-04-21T00:22:48.565000+00:00","jobId":8,"originalUrl":"https://cihr-irsc.gc.ca/e/52767.html","snippet":"Infographic: Do you feel faint when you get a needle? PDF version Long description Dizziness and fainting are caused by a sudden drop in blood pressure and heart rate. That sudden drop is called a vasovagal response . When your blood pressure and heart rate drop due to a…","rawSnapshotUrl":"/api/snapshots/raw/1504640","browseUrl":"https://replay.healtharchive.ca/job-8/20260421002248/https://cihr-irsc.gc.ca/e/52767.html#ha_snapshot=1504640","mimeType":"text/html","statusCode":200,"captureBackend":"browsertrix","captureFidelity":"high"}