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Heart Defibrillator Questions &
Answers
When is it used?
ICDs are used to treat patients whose lower heart chambers (ventricles) beat
too quickly (tachycardia) or quiver ineffectively (fibrillation). They are
also used in patients who are at risk of these conditions due to previous
cardiac arrest, heart failure, or ineffective drug therapy for abnormal
heart rhythms.
How does it work?
Like a pacemaker, an ICD consists of a battery and electrical circuitry
(pulse generator) connected to one or more insulated wires. The pulse
generator and batteries are sealed together and implanted under the skin,
usually near the shoulder. The wires are threaded through blood vessels from
the ICD to the heart muscle.
The ICD continuously checks the heart rate. When it detects a too-rapid or
irregular heartbeat, it delivers a shock that resets the heart to a more
normal rate and electrical pattern (cardioversion).
Stopping the potentially fatal fibrillation is called defibrillation.
What will it
accomplish?
ICDs protect against sudden cardiac death from ventricular tachycardia and
ventricular fibrillation.
What are the risks?
Potential risks from the surgical procedure include infection, bleeding, and
bruising. Other rare complications include stroke, heart attack, blood
clots, or perforation of a major vessel, a lung, or the heart muscle.
Your doctor will tell you about additional risks from ICDs.
What models of Guidant
defibrillators have been recalled?
As the Food and Drug Administration (FDA)
continues to evaluate the safety and performance of certain implantable
defibrillators manufactured by Guidant Corporation, the Agency has now
classified the recalled devices.
Classifications can fall into three categories, with Class I being the most
serious. These numerical classifications are based on the probability that
the device failure could lead to adverse health effects.
PRIZM 2 DR, CONTAK RENEWAL, and CONTAK
RENEWAL 2 Devices- Class I; VENTAK PRIZM AVT, VITALITY AVT, and RENEWAL AVT
Devices- Class II; CONTAK RENEWAL 3 and 4, RENEWAL 3 and 4 AVT, and RENEWAL
RF Devices- Class II
What about Electromagnetic Interference?
Some devices in your surroundings may interfere with your ICD. You may need
to avoid certain types of security devices. Always carry your wallet ID card
with you.
Household devices and appliances may affect your ICD. Ask your doctor which
devices to avoid.
Some medical equipment can damage your ICD. If you are visiting your doctor
or dentist, tell him or her that you have an ICD BEFORE they do any testing
or treatment.
Some security devices may affect your ICD. A general rule of thumb is “Don’t
lean, don’t linger” when moving through these devices.
Welders and electric generators may affect your ICD.
When should it not be used?
ICDs should not be used in patients whose heart conditions are reversible or
temporary. They should not be used in patients who will not benefit from the
devices, or who are sensitive (allergic) to the exposed components.
How do I know
if my defibrillator is malfunctioning?
There may not be any signs, but the FDA recommends:
- If you have not already been notified,
contact your doctor to determine if you have an affected PRIZM 2, CONTAK
RENEWAL, or CONTAK RENEWAL 2 device.
- Continue to keep your regular doctor
appointments.
- If you feel an electrical shock from
your device, immediately contact your doctor.
- If there is an audible "beeping" from
your CONTAK RENEWAL or RENEWAL 2 device, immediately contact your doctor
or go to the nearest emergency room. Beeping may mean that your
defibrillator is damaged.
Why should I contact a lawyer?
With the recall of certain Guidant defibrillators, there is some evidence
that Guidant Corp. may have known of the faulty devices for some time prior
to alerting the FDA, doctors, and patients. Negligently designed and
manufactured medical devices place patients at risk and can have serious,
life-threatening, effects. If you have one of these recalled heart
defibrillators, and have suffered due to their malfunction, you may have a
legal claim against the manufacturer.
Only a qualified lawyer can help you determine your legal rights. Our
nationally recognized firm includes a board-certified obstetric/gynecologist
M.D., nurse/attorneys (R.N./J.D.'s), and nurse/paralegals including a former
labor and delivery room nurse. In addition to our medical expertise, as
seasoned litigators, the Medlaw Legal Team of Janet, Jenner & Suggs, LLC has
expanded the rights of the injured by changing laws at the appellate and
legislative levels.
Our in-house
legal team consists of a physician, five registered nurses, 10 attorneys,
and more than 30 staff-members. As one of the nation's premier
pharmaceutical liability law firms, we represent consumers nationwide who
have been victimized by defective pharmaceutical drugs and medical devices,
including Guidant defibrillators. We have the experience to protect your
legal rights and to help you obtain the compensation you deserve. If you or
a loved one has suffered serious side effects from a defective
defibrillator, please contact us for an
immediate case evaluation.
Many law firms that advertise aggressively on the Internet are actually
client brokers who refer virtually all clients to lawyers in other firms and
other cities who do the actual work of representing the client. Janet,
Jenner & Suggs, LLC, is a traditional law firm that actively represents all
of our clients.
Robert K. Jenner and
Kenneth Suggs,
leaders of the pharmaceutical department within the firm, will always be
accessible to you. Mr. Jenner and Mr. Suggs, nationally recognized advocates
on behalf of victims of defective pharmaceutical products, and their highly
experienced team, will always be ready to answer your questions.
We encourage you to
contact our lawyers today for an immediate free claim
evaluation. You may be eligible to participate in a class action lawsuit on
behalf of patients who have been injured, or who have died, due to the
serious malfunction of Guidant ICDs. Call
1-888-4-MEDLAW or complete our
online claim evaluation form.

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