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A pacemaker is used in the treatment of complete atrioventricular (A-V) block
and brady arrhythmia as a result of sinus node dysfunction.
Currently pacemakers are small in size and weigh approximately
3 ounces. After having pacemaker implantation surgery, the patient is able to
live a normal life and resume daily activities gradually.
There are many different types and brands of pacemakers available,
however, selecting the best device depends on each patient's condition or type
of brady arrhythmia.
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ICD is a device used to correct fatal arrhythmias, VF (ventricular fibrillation)
and VT(ventricular tachycardia).
Currently a dual chamber type which provides electrical stimulation
to both ventricle and atrium is used throughout the world, an ICD is implanted
into the chest of
the patient.
An ICD significantly reduces the risk of the sudden cardiac
death due to VF(ventricular fibrillation) and if attached to a generator can
conduct a high simultaneous pacing function also. ICDs are gaining wide recognition
as effective medical
devices.
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The EP catheter is used in EP study to assist in the diagnosis of arrhythmias.
There are two basic types of catheter; fixed-curve catheter
and steerable type catheter, available in many sizes and electrode configurations
(up to 3-40
electrode).
There are differences among catheters, giving physicians the
choice to use the catheter(s) they like the most.
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Ablation catheters are used in the treatment of the tachyarrhythmias.
When the catheter reaches the target area, radiofrequency energy
from the tip of the catheter is used to heat and destroy the heart cells that
are creating
the tachyarrhythmia.
Ablation catheters attached to thermal sensors can be used
to monitor the temperature
of focal regions.
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