 Therefore, a 6-French JL4 and JR4 guiding catheters were used to engage the left and right coronary arteries respectively and multiple orthogonal views of the coronary arteries were obtained.
Therefore , a 6 - French JL4 and JR4 guiding catheters were used to engage the left and right coronary arteries respectively and multiple orthogonal views of the coronary arteries were obtained .