Failed phlebotomy? Think William Harvey
Harvey's method is to empty a segment of vein by stroking along it with a finger, moving away from the heart, and noting the point beyond which a valve prevents the retrograde refilling of the vein from the proximal end of the segment, the distal segment still being occluded by the finger.
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Veröffentlicht in: | BMJ (Online) 2014-09, Vol.349 (sep04 13), p.g5232-g5232 |
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Hauptverfasser: | , |
Format: | Artikel |
Sprache: | eng |
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Online-Zugang: | Volltext |
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Zusammenfassung: | Harvey's method is to empty a segment of vein by stroking along it with a finger, moving away from the heart, and noting the point beyond which a valve prevents the retrograde refilling of the vein from the proximal end of the segment, the distal segment still being occluded by the finger. |
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ISSN: | 0959-8138 1756-1833 1756-1833 |
DOI: | 10.1136/bmj.g5232 |