For promoting good heart Health and providing most effective and advanced diagnostics and treatments available to cardiology patients today.
What We Offer:
From promoting good heart Health to providing most effective diagnostics and treatments available to cardiology patients today. northwest Houston Heart Center is ready to guide you through complexities of any cardiovascular condition.
Our dynamic team incorporates the talents of the finest award winning cardiologists with academic medical center experience and highly trained staff equipped with latest diagnostic equipment to provide you with the most innovative Cardiac Care in area.
Northwest Houston Heart Center is one of only three centers in Houston area equipped with state of the art dedicated Cardiac PET scanner for early and precise diagnosis of Coronary Heart Disease (CHD).
The Gold Standard:
Cardiac PET Scan is emerging as the gold standard and most reliable non invasive cardiac test in diagnosing Coronary Heart Disease. Clinic studies have shown that Cardiac PET Scan is more accurate than other tests such as electrocardiogram (ECG) stress testing, single photo emission computer tomography (SPECT or traditional nuclear stress testing) in diagnosing Coronary Heart Disease. Early detection of Coronary Heart Disease is vital as the early treatment of CHD can prevent Heart attacks. Addition of Cardiac PET Scanner gives our physicians ability to provide our patients the highest standard of care in the non invasive diagnosis of CHD. Northwest Houston Heart Center cardiac PET laboratory is certified by the high standards of Intersocietal Commission for the Accreditation of Nuclear medicine Laboratories (ICANL) and our echocardiography laboratory is certified by the Intersocietal Commission for the Accreditation of Echocardiography Laboratories (ICAEL).
Why Choose Us:
Our physicians are performing complex coronary, lower extremity and carotid interventions percutaneously or endovascularly using balloons, stents and advanced laser therapies. Where indicated, these minimally invasive procedures can obviate the need for more extensive surgical procedures and minimize the patient stay in the hospital and lead to rapid recovery compare to open surgical procedures. Our physicians are also very well trained in the placement and follow up care of cardiac pacemakers. We place a great emphasis on early identification of cardiovascular risk factors and preventive cardiovascular care and educating our patients in heart healthy living, we believe best outcomes can only be achieved when patients are well informed about their medical conditions and doctors and patients work as a team, we take a great pride in the wonderful team we have built at Northwest Houston Heart Center.
What is a pacemaker/implantable cardioverter defibrillator (ICD) insertion?
A pacemaker/implantable cardioverter defribillator (ICD) insertion is a procedure in which a pacemaker and/or an ICD is inserted to assist in regulating problems with the heart rate (pacemaker) or heart rhythm (ICD).
dualchamberWhen a problem develops with the heartâ€™s rhythm, such as a slow rhythm, a pacemaker may be selected for treatment. A pacemaker is a small electronic device composed of three parts: a generator, one or more leads, and an electrode on each lead. A pacemaker signals the heart to beat when the heartbeat is too slow.
A generator is the “brain” of the pacemaker device. It is a small metal case that contains electronic circuitry and a battery. The lead (or leads) is an insulated wire that is connected to the generator on one end, with the other end placed inside one of the heart’s chambers. The electrode on the end of the lead touches the heart wall. In most pacemakers, the lead senses the heart’s electrical activity. This information is relayed to the generator by the lead.
If the heart’s rate is slower than the programmed limit, an electrical impulse is sent through the lead to the electrode and the pacemaker’s electrical impulse causes the heart to beat at a faster rate.
When the heart is beating at a rate faster than the programmed limit, the pacemaker will monitor the heart rate, but will not pace. No electrical impulses will be sent to the heart unless the heart’s natural rate falls below the pacemaker’s low limit.
Pacemaker leads may be positioned in the atrium or ventricle or both, depending on the condition requiring the pacemaker to be inserted. An atrial dysrhythmia/arrhythmia (an abnormal heart rhythm caused by a dysfunction of the sinus node or the development of another atrial pacemaker within the heart tissue that takes over the function of the sinus node) may be treated with an atrial pacemaker.
A ventricular dysrhythmia/arrhythmia (an abnormal heart rhythm caused by a dysfunction of the sinus node, an interruption in the condution pathways, or the development of another pacemaker within the heart tissue that takes over the function of the sinus node) may be treated with a ventricular pacemaker whose lead wire is located in the ventricle.
It is possible to have both atrial and ventricular dysrhythmias, and there are pacemakers that have lead wires positioned in both the atrium and the ventricle. There may be one lead wire for each chamber, or one lead wire may be capable of sensing and pacing both chambers.
A new type of pacemaker, called a biventricular pacemaker, is currently used in the treatment of convestive heart failure. Sometimes in heart failure, the two ventricles (lower heart chambers) do not pump together in a normal manner.
When this happens, less blood is pumped by the heart. A bioventricular pacemaker paces both ventricles at the same time, increasing the amount of blood pumped by the heart. This type of treatment is called cardiac resynchronization therapy.
Implantable cardioverter defibrillator (ICD):
An implantable cardioverter defibrillator (ICD) looks very similar to a pacemaker, except that it is slightly larger. It has a generator, one or more leads, and an electrode for each lead. These components work very much like a pacemaker. However, the ICD is designed to deliver an electrical shock to the heart when the heart rate becomes dangerously fast, or â€œfibrillates.â€�
An ICD senses when the heart is beating too fast and delivers an electrical shock to convert the fast rhythm to a normal rhythm. Some devices combine a pacemaker and ICD in one unit for persons who need both functions.
The ICD has another type of treatment for certain fast rhythms called anti-tachycardia pacing (ATP). When ATP is used, a fast pacing impulse is sent to correct the rhythm. After the shock is delivered, a â€œback-upâ€� pacing mode is used if needed for a short while.
The procedure for inserting a pacemaker or an ICD is quite similar. The procedure generally is performed in an electrophysiology (EP) lab or a cardiac catheterization lab.
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