Australia
Brazil
Canada - French
China - Taiwan
Denmark
Finland
Germany
Italy
Netherlands
New Zealand
Norway
South Korea
Southeast Asia
Sweden
United Kingdom
Glossary
This glossary is available to help you understand complicated terms you will see on this website and may hear from your cardiologist, TAVI Doctor, or Heart Team as you learn about aortic stenosis. Be sure to check with your doctor if you have any questions.
A
BACK TO TOP
Anesthesia
Temporary loss of feeling or awareness induced by a medical professional during a surgical procedure.
Temporary loss of feeling or awareness induced by a medical professional during a surgical procedure.
Angina
Chest pain caused by poor blood supply to the heart.
Chest pain caused by poor blood supply to the heart.
Angiogram
A medical imaging test that uses x-rays and dyes to see how blood flows through an artery or a vein.
A medical imaging test that uses x-rays and dyes to see how blood flows through an artery or a vein.
Angioplasty
A procedure that uses an inflatable balloon on a thin tube to internally widen a narrowed blood vessel.
A procedure that uses an inflatable balloon on a thin tube to internally widen a narrowed blood vessel.
Aortic Stenosis
The most common type of heart valve disease. Narrowing of the aortic valve that prevents normal blood flow and makes the heart work harder. Doctors will typically categorize it as mild, moderate, or severe stage which depends on how damaged your aortic valve is.
The most common type of heart valve disease. Narrowing of the aortic valve that prevents normal blood flow and makes the heart work harder. Doctors will typically categorize it as mild, moderate, or severe stage which depends on how damaged your aortic valve is.
Aortic Valve
The valve that controls blood flow from the heart to the aorta (largest artery that carries blood to the rest of the body).
The valve that controls blood flow from the heart to the aorta (largest artery that carries blood to the rest of the body).
Artery
Blood vessel that carries oxygen-rich blood to the body.
Blood vessel that carries oxygen-rich blood to the body.
Atrial Fibrillation (AFib)
Irregular heart rhythm caused by abnormal electrical signals throughout the upper chambers of the heart.
Irregular heart rhythm caused by abnormal electrical signals throughout the upper chambers of the heart.
Auscultation
Listening to the sounds of your heart using a stethoscope.
Listening to the sounds of your heart using a stethoscope.
B
BACK TO TOP
Balloon Valvuloplasty (BAV)
A procedure in which a balloon catheter is inserted through an artery into the heart. The balloon is then inflated to open the narrowed valve.
A procedure in which a balloon catheter is inserted through an artery into the heart. The balloon is then inflated to open the narrowed valve.
Bicuspid Aortic Valve
An aortic valve that has only two leaflets (instead of three).
An aortic valve that has only two leaflets (instead of three).
Bioprosthetic Valve
Replacement heart valve made of animal tissue (cow or pig).
Replacement heart valve made of animal tissue (cow or pig).
C
BACK TO TOP
Calcification
A buildup of calcium on tissue. In the aortic valve, it can reduce the ability for leaflets to open and close properly.
A buildup of calcium on tissue. In the aortic valve, it can reduce the ability for leaflets to open and close properly.
Cardiothoracic Surgeon
Surgeon who performs heart surgery.
Surgeon who performs heart surgery.
Catheter
A thin, hollow tube, either flexible or non-flexible, that is used to add, remove or transfer fluids or instruments used in minimally-invasive procedures.
A thin, hollow tube, either flexible or non-flexible, that is used to add, remove or transfer fluids or instruments used in minimally-invasive procedures.
Catheterization
A procedure in which a slender tube is inserted into a body passage, vessel or cavity.
A procedure in which a slender tube is inserted into a body passage, vessel or cavity.
Chest x-ray
A type of imaging that displays images of the organs and structures inside your chest, such as your heart, lungs, and large blood vessels.
A type of imaging that displays images of the organs and structures inside your chest, such as your heart, lungs, and large blood vessels.
Chronic Obstructive Pulmonary Disease (COPD)
A chronic condition in which there is a slow, progressive block of airflow into or out of the lungs.
A chronic condition in which there is a slow, progressive block of airflow into or out of the lungs.
Coronary Artery Disease
A type of heart disease which happens when the arteries that supply blood to the heart muscle become hardened and narrowed due to build-up of plaque on the artery walls.
A type of heart disease which happens when the arteries that supply blood to the heart muscle become hardened and narrowed due to build-up of plaque on the artery walls.
COVID-19
An infectious disease caused by a type of virus called a coronavirus. Effects from COVID-19 infection can range from no symptoms to severe illness and death.
An infectious disease caused by a type of virus called a coronavirus. Effects from COVID-19 infection can range from no symptoms to severe illness and death.
D
BACK TO TOP
Delivery System
A medical tool used to guide the transcatheter valve into the heart.
A medical tool used to guide the transcatheter valve into the heart.
Diabetes
A condition in which your blood glucose, or blood sugar, is too high.
A condition in which your blood glucose, or blood sugar, is too high.
Diagnostic Tests
Tests that help your doctor confirm if you have aortic stenosis. Some of these tests include echocardiogram (also called echo), cardiac catheterization, chest x-ray, and electrocardiogram (also called EKG).
Tests that help your doctor confirm if you have aortic stenosis. Some of these tests include echocardiogram (also called echo), cardiac catheterization, chest x-ray, and electrocardiogram (also called EKG).
Download
To receive a copy of a file, program or document that can be saved and viewed from your computer. The downloaded file may open in a separate window, may be minimized at the bottom of the web browser, or may be located within your computer’s downloads folder.
To receive a copy of a file, program or document that can be saved and viewed from your computer. The downloaded file may open in a separate window, may be minimized at the bottom of the web browser, or may be located within your computer’s downloads folder.
Dyspnea
Shortness of breath.
Shortness of breath.
E
BACK TO TOP
Echocardiogram (echo)
This diagnostic test uses sound wave technology, or ultrasound, to show three-dimensional images of the heart to better assess its function.
This diagnostic test uses sound wave technology, or ultrasound, to show three-dimensional images of the heart to better assess its function.
Electrocardiogram (EKG)
A diagnostic test that records electrical activity in the heart, such as heart rate and rhythm.
A diagnostic test that records electrical activity in the heart, such as heart rate and rhythm.
F
BACK TO TOP
Fatigue
A feeling of being extremely tired or having low energy.
A feeling of being extremely tired or having low energy.
Femoral Artery
The largest blood vessel in the leg that supplies blood to the lower part of the body.
The largest blood vessel in the leg that supplies blood to the lower part of the body.
Fluoroscopy
An x-ray procedure that makes it possible to see internal organs in motion.
An x-ray procedure that makes it possible to see internal organs in motion.
Frailty
Increased physical and mental weakness that is often associated with older age.
Increased physical and mental weakness that is often associated with older age.
H
BACK TO TOP
Heart and Lung Blood Machine
A device used during open heart procedures to remove blood from the body. The blood is enriched with oxygen and then returned to the body.
A device used during open heart procedures to remove blood from the body. The blood is enriched with oxygen and then returned to the body.
Heart Failure
When the heart is unable to pump blood to the body’s organs and maintain their function.
When the heart is unable to pump blood to the body’s organs and maintain their function.
Heart Murmur
An abnormal heart sound that may indicate heart valve disease.
An abnormal heart sound that may indicate heart valve disease.
Heart Team
A group of qualified healthcare professionals who work together to determine the best treatment plan for each individual patient.
A group of qualified healthcare professionals who work together to determine the best treatment plan for each individual patient.
Heart Valve Disease
In heart valve disease, one or more of the valves in your heart doesn't properly work. Aortic stenosis is the most common type of heart valve disease, affecting millions of people in the U.S.
In heart valve disease, one or more of the valves in your heart doesn't properly work. Aortic stenosis is the most common type of heart valve disease, affecting millions of people in the U.S.
Heart Valve Failure
Heart Valve Failure is common terminology for severe symptomatic aortic stenosis. It is dangerous because the aortic valve has severe buildup of calcium, and has a difficult time opening and closing.
Heart Valve Failure is common terminology for severe symptomatic aortic stenosis. It is dangerous because the aortic valve has severe buildup of calcium, and has a difficult time opening and closing.
I
BACK TO TOP
Interventional Cardiologist
A doctor who specializes in catheter-based treatments for the heart or coronary artery diseases (in most cases this is the doctor who performs TAVI).
A doctor who specializes in catheter-based treatments for the heart or coronary artery diseases (in most cases this is the doctor who performs TAVI).
Invasive Procedure
A medical procedure that requires entry into the body, usually by cutting skin and inserting instruments into body.
A medical procedure that requires entry into the body, usually by cutting skin and inserting instruments into body.
L
BACK TO TOP
Leaflets
Triangular-shaped flaps of tissue within heart valves that open and close to control blood flow.
Triangular-shaped flaps of tissue within heart valves that open and close to control blood flow.
Less Invasive Procedure
A medical procedure performed with a small incision and specialized equipment.
A medical procedure performed with a small incision and specialized equipment.
M
BACK TO TOP
Magnetic Resonance Imaging (MRI)
A diagnostic test that uses magnetic and radio waves to take detailed pictures of the heart and other organs.
A diagnostic test that uses magnetic and radio waves to take detailed pictures of the heart and other organs.
Mechanical Heart Valve
Replacement heart valve made of artificial materials. Once inserted in the body, lifelong blood thinning medication is required.
Replacement heart valve made of artificial materials. Once inserted in the body, lifelong blood thinning medication is required.
Metastasize
The spread of cancer cells from the place where they first formed to another part of the body. In metastasis, cancer cells break away from the original tumor, travel through the blood or lymph system, and form a new tumor in other organs or tissues of the body.
The spread of cancer cells from the place where they first formed to another part of the body. In metastasis, cancer cells break away from the original tumor, travel through the blood or lymph system, and form a new tumor in other organs or tissues of the body.
Minimal Incision Valve Surgery
A surgical technique for replacing a diseased valve that does not require a large incision or cutting through the entire breastbone.
A surgical technique for replacing a diseased valve that does not require a large incision or cutting through the entire breastbone.
Minimally-Invasive Procedure
A procedure that can be performed through a small incision, which typically leads to a faster recovery.
A procedure that can be performed through a small incision, which typically leads to a faster recovery.
Mitral Valve
The valve that controls blood flow from the heart’s left upper chamber to the left lower chamber.
The valve that controls blood flow from the heart’s left upper chamber to the left lower chamber.
P
BACK TO TOP
Peripheral Vascular Disease (PVD)
A disease of the blood vessels resulting in a decrease in circulation to the legs, arms, stomach or kidneys.
A disease of the blood vessels resulting in a decrease in circulation to the legs, arms, stomach or kidneys.
Progressive
Relating to disease, a condition that will continue to get worse.
Relating to disease, a condition that will continue to get worse.
Pulmonary Valve
The valve that controls blood flow from the heart into the lungs.
The valve that controls blood flow from the heart into the lungs.
R
BACK TO TOP
Rheumatic Fever
Inflammation that occurs throughout the body, especially in the heart, if strep throat goes untreated.
Inflammation that occurs throughout the body, especially in the heart, if strep throat goes untreated.
S
BACK TO TOP
Sheath
A tube placed in an artery or vein during a procedure to help a doctor with insertion of catheter.
A tube placed in an artery or vein during a procedure to help a doctor with insertion of catheter.
Stroke
The sudden death of brain cells due to lack of oxygen, caused by blockage of blood flow to the brain.
The sudden death of brain cells due to lack of oxygen, caused by blockage of blood flow to the brain.
Subclavian Approach
A way to replace your aortic valve through a small incision near the shoulder.
A way to replace your aortic valve through a small incision near the shoulder.
Syncope
Temporary loss of consciousness or fainting.
Temporary loss of consciousness or fainting.
T
BACK TO TOP
TAVI (Transcatheter Aortic Valve Implantation)
A less invasive procedure that replaces an unhealthy aortic valve.
A less invasive procedure that replaces an unhealthy aortic valve.
TAVI Doctor
A doctor at a TAVI Hospital who can evaluate you for all of your treatment options together with a Heart Team and who performs your TAVI procedure.
A doctor at a TAVI Hospital who can evaluate you for all of your treatment options together with a Heart Team and who performs your TAVI procedure.
Transaortic Approach
A way to replace your aortic valve through a small incision in the upper chest.
A way to replace your aortic valve through a small incision in the upper chest.
Transapical Approach
A way to replace your aortic valve through a small incision in the chest between the ribs.
A way to replace your aortic valve through a small incision in the chest between the ribs.
Transfemoral Approach
A way to replace your aortic valve through a small incision in the leg.
A way to replace your aortic valve through a small incision in the leg.
Tricuspid Valve
The valve that controls blood flow from heart’s upper right chamber to lower right chamber.
The valve that controls blood flow from heart’s upper right chamber to lower right chamber.
U
BACK TO TOP
Ultrasound
A diagnostic test that uses sound waves to obtain images of blood flow and your body’s internal structure.
A diagnostic test that uses sound waves to obtain images of blood flow and your body’s internal structure.
V
BACK TO TOP
Vein
Blood vessels that return blood to the heart.
Blood vessels that return blood to the heart.
PP--EU-7610 v1.0