1. Anatomical consideration of the radial artery for transradial coronary procedures: arterial diameter, branching anomaly and vessel tortuosity 
Byung-Su Yoo, Junghan Yoon, Ji-Yean Ko, Jang-Young Kim, Seung-Hwan Lee, Sung-Oh Hwang, Kyung-Hoon Choe 
International Journal of Cardiology 
Volume 101, Issue 3, Pages (June 2005)
DOI: /j.ijcard
Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

2. Fig. 1
The distributions of radial arterial diameter. Mean radial arterial diameter was 2.60±0.41 mm and range of radial arterial diameter was from 1.15 to 3.95 mm.
International Journal of Cardiology  , DOI: ( /j.ijcard )
Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

3. Fig. 2
The anomalous branching patterns of upper extremity artery. Retrograde angiogram showed high origin of radial artery (A), double radial artery (B) and double brachial artery (C).
International Journal of Cardiology  , DOI: ( /j.ijcard )
Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions

4. Fig. 3
The tortuosity patterns of upper extremity artery. Retrograde angiogram showed various shapes of radial artery (α-shape (A), Ω-shape (B), Z-shape (C) and S-shape (D)).
International Journal of Cardiology  , DOI: ( /j.ijcard )
Copyright © 2004 Elsevier Ireland Ltd Terms and Conditions