At this point, the physician will tell the patient how to breathe. The needle is quickly advanced into and out of the liver, taking only 1 or 2 seconds. A slender core of tissue is thereby obtained which is then processed through the laboratory. The entire procedure from start to finish lasts only 15 to 20 minutes. The patient is kept at rest in the recovery area for approximately two hours following the exam.
Medical personnel check the ehart rate and blood pressure.
At times, there is some discomfort in the chest or shoulder. This is usually temporary and medication is available if needed. The patient is given instructions regarding activity and eating before being discharged home. Activity is usually restricted for a day or so afterward. After the procedure, the physician will go over the test with the patient.