{"id":1477851,"title":"Infographic: Do you feel faint when you get a needle?   - CIHR","sourceCode":"cihr","sourceName":"Canadian Institutes of Health Research","language":"en","captureDate":"2026-04-09","captureTimestamp":"2026-04-09T01:43:22.686000+00:00","jobId":8,"originalUrl":"https://cihr-irsc.gc.ca/e/52767.html?wbdisable=false","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/1477851","browseUrl":"https://replay.healtharchive.ca/job-8/20260409014322/https://cihr-irsc.gc.ca/e/52767.html?wbdisable=false#ha_snapshot=1477851","mimeType":"text/html","statusCode":200,"captureBackend":"browsertrix","captureFidelity":"high"}