How Does a Cardiac Defibrillator Work?

Cardiac defibrillators used to be a tool of paramedicsimplanted on the side of the chest and are equipped
and doctors only, but new technology have simplifiedwith heart monitoring equipment. They activate a small
the process so that nearly anyone can use thesejolt of electricity whenever the heartbeat becomes
products to help assist a person having a sudden heartirregular. This model is more common for individuals
attack. Unfortunately, need for these portable andwith birth defects, but can also be found for people
easy to use products has also lead to thiswith long-term illnesses.
development as well. This has been for many reasons,Regardless of the form, these products all do the
but one of the largest is the awareness of the powersame function. The paddles (or implanted electrodes)
of these products to stop sudden heart problems thatdeliver a strong electrical current to the heart muscle.
can occur for many different reasons. Many peopleThis overloads the heart muscle's electrical timing
associate these problems with heart attacks, caused(which is controlled by electricity) causing the cardiac
by old age or poor health, but irregular heart rhythms inmuscle to reset and resume a normal rhythm. This is
birth, some existing from birth require these machinesnecessary during certain cardiac episodes that are
as well.caused for various reasons that off-set the cardiac
There are three basic types of machines on themuscle. Whatever the cause, these instances are
market today. Most people are familiar with theviewed as life threatening and require the intense
standard large medical model seen in movies. Thesepower of these machines.
products used handles that are placed on the bodyThese products have gone through many changes
and held by the administering person. Aside from thisthroughout the past century and are now very safe to
model is the hands-free version. These products dooperate for both the patient and the administering
the same thing as the paddle models in the sameperson. The machines meant for home or office use
places on the body, however they stick to the skin andhave clearly labeled instructions and can be the last line
do not need to be held. A more intensive version is theof defensive in saving a person's life in many situations
implanted models. These are for people with heartwhen a heart attack suddenly strikes.
conditions that need regular monitoring. They are