How It Is Done
A diagnostic pericardial drainage is usually done in a cardiac procedure
room. If the drainage is being done to relieve pressure on the heart, it may be done
in an emergency room or in your hospital room. This procedure is normally
performed by a
cardiologist, a
cardiovascular surgeon, or an
emergency medicine doctor.
During the test, your heart is monitored using
electrocardiography. You will have an
intravenous (IV) line for any medicine that may
need to be given during the test. You may be given a mild
sedative to help you relax.
In nonemergency situations, you will lean back at an angle on the
bed or table. Your chest will be shaved (if necessary), cleaned with an
antiseptic solution, and covered with sterile drapes.
A
local anesthetic will be injected to numb the skin and
deeper tissues, and then a long thin needle will be
carefully inserted just below your breastbone. In some cases the needle is
inserted between your ribs on the left side, over your heart. The needle is then slowly advanced through the pericardial sac into the pericardial
space. Fluid is removed and sent to the laboratory. At different times
during the procedure, you may be asked to hold your breath. You must remain
very still throughout the procedure. An electrocardiography machine may be
attached by a wire to the needle to help the doctor guide the needle into the
pericardial space. In some hospitals an
echocardiogram is done at the same time to help the
doctor follow the location of the needle during the procedure, or an X-ray
camera may be used to guide the procedure.
After some or all of the fluid is removed, the needle is withdrawn
and pressure is applied to the injection site for several minutes to stop any
bleeding. Fluid also may be drained through a thin catheter over a period of
hours.
This procedure takes 10 to 20 minutes. After the test, you will
have a chest X-ray to check for possible puncture and collapse of your left
lung. You will be closely observed for several hours, with frequent checks of
your blood pressure, heart rate, and breathing rate.