The Value of Standardized Respiratory Rate Monitoring Exercises During Rheumatological Injection Procedures - A Single-blind, Randomized, Controlled Non-inferiority Study

"Receives local anesthesia with 5 cc of lidocaine before the infiltration procedure.The patient will receive breathing instructions as part of SHAM treatment, which will not allow them to achieve cardiac coherence."

The procedure will use 5 cc of saline solution instead of the usual anesthesia. Explanations for performing 5-minute breathing cycles that facilitate the achievement of cardiac coherence, with visual feedback.