Objective: To explore the time of indwelling, the choice of sealing fluid and
the prevention of complications. Methods: to analyze the common complications and
the corresponding nursing measures of 107 cardiovascular patients. Results: most
of the cardiovascular patients using intravenous indwelling needle had no adverse
reactions, and a few patients had complications. Conclusion: it can reduce the times
of venipuncture, reduce the sufferings of cardiovascular patients, improve the success
rate of rescue and the efficiency of nursing work, which are accepted by the majority of
patients.