An angiogram should take less than an hour. However, a complication with the catheter could force the doctor to find a new insertion location. If you require angioplasty or stenting, this will also lengthen the process. After the catheter is taken out, a member of the medical staff will likely apply pressure to the entry point for about ten minutes to stop any bleeding. Following the procedure, patients are usually taken to an observation and recovery room and asked to lie on their stomachs for up to four hours.

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