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Imaging
Powerful
image processing, advances
in hardware and software, ever-faster scanning times, and equipment specifically
designed for cardiovascular scanning have revolutionized imaging technology
in recent years. The Heart & Vascular Institute employs these new, non-invasive
imaging alternatives for increased accuracy, patient comfort and safety.
Importantly, only experts who are highly trained and experienced in the
imaging of the heart and vascular system read and interpret all studies
and scans.
Other Diagnostic Tests
and Treatments
Cardiac
Magnetic Resonance Imaging and Magnetic Resonance Angiography
The Heart
& Vascular Institute has one of the most advanced systems for Magnetic
Resonance Imaging. Magnetic Resonance (MR) is a technique that produces
detailed images of the human body without the use of x-rays or ionizing
radiation. The
MR system generates images using a powerful magnetic field, radiowaves
and a sophisticated computer. The
MR images can provide a non-invasive analysis of cardiac function,
structure, and vascular anatomy. The scan produces images of exceptional
clarity and definition. Its sophisticated design and high-speed
processors permit the collection of comprehensive data so that often
a diagnosis can be reached in one session.
The
MR system is designed specifically for Cardiac MR and MR Angiography.
Cardiac MR is a study used to acquire images and hemodynamic information
related to the function and structure of the heart. MR Angiography
is performed to obtain high quality, high-resolution images of the
coronary arteries and peripheral vasculature. This
system allows operators to view inside the arteries non-invasively,
facilitating diagnosis and treatment. MR angiography is viewed as
a major advancement in the diagnosis of cardiovascular disease as
it can obviate the need for more invasive contrast arteriography.
Patients can remain relaxed and comfortable during these non-invasive
exams that are completed on an outpatient basis.
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Diagnostic
Vascular Laboratory (Ultrasound)
The vascular
laboratory provides an accurate, non-invasive means to detect vascular
disease. A complete range of non-invasive vascular studies are performed
utilizing the most advanced ultrasound systems available. Duplex
ultrasound studies combine the anatomic and morphologic information
obtained with gray-scale imaging along with hemodynamic data such
as blood flow velocity and direction. Ultrasound scanning is used
to evaluate:
- Carotid Arteries
- Kidney Arteries
- Arteries to the bowel
- Leg arteries
- Aneurysms
- Blood clots in the
legs or arms
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Angiography
Suite
A state-of-the-art
digital angiography system, used for diagnostic and endovascular
care, is the central component of the angiography suite. It enables
physicians to see inside the vascular system so they may perform
procedures and make repairs by guiding tiny instruments through
the blood vessels - procedures that may once have required major
surgery. This angiography system empowers physicians with high contrast,
high-resolution images and excellent visualization of even small
structures. It enables the high-speed collection of data, minimizing
patient exposure to x-rays and contrast agents, and may even eliminate
the need for certain tests. Some of the procedures that may be performed
in the Angiography Suite include:
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- Angiography-
a diagnostic technique that evaluates blood flow and identifies
blockages of the peripheral arteries and veins. A contrast
agent is injected. Then a long thin tube or a cathether
is guided through an artery in the arm or the leg to the
area that is being studied.
- Angioplasty
- a procedure in which blocked arteries are opened. A catheter
with a deflated balloon is guided through the narrowed artery
and is inflated to open the artery.
- Stent Placement
- wire mesh tube-like devices called stents may be placed
in the artery as an adjunct to or instead of angioplasty
to prevent recurrent narrowing. Stents are guided through
the arteries via a catheter.
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Enhanced
External Counterpulsation (EECP®)
EECP therapy is delivered in a comfortable suite at The Heart & Vascular
Institute. EECP is a non-invasive outpatient procedure to relieve or eliminate
angina. It is believed to create new pathways around blocked arteries
in the heart by expanding networks of tiny blood vessels that help increase
blood flow to the heart muscle. Over time EECP therapy can reduce the
frequency of angina, improve exercise capacity and may lessen or eliminate
the need for medications.
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