The guidewire was inserted, and seeing that the guidewire entered smoothly, all the teachers once again confirmed that the puncture was accurate.
After the puncture needle was withdrawn, it was apparent that the elderly lady did not need her skin to be stretched. The catheter was inserted along the guidewire for about fifteen centimeters, then the guidewire was removed, and finally, placing a cotton ball at the suturing fixation would make the patient feel more comfortable.
The most difficult step was the puncture; as long as the puncture was accurately in the vein, all the subsequent steps were straightforward. Xie Wanying performed the rest of the actions steadily and without any sign of anxiety, because as someone who wasn't just a greenhorn, she was very clear that after a successful first step, caution and care were necessary for the remaining steps, and avoidance of haste was paramount.