Seldinger technique

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A technique for introducing a catheter into a blood vessel or cavity. A needle is used to puncture the structure, then a guidewire is passed through the needle. The needle is removed, and the catheter is introduced over the wire. The technique is used in angiography, cardiac catheterization, cannulation of large veins, and drainage of abscesses and other body cavities. S. I. Seldinger (1921–98), Swedish radiologist

Subjects: Medicine and Health.

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