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Cardiac Glossary

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Glossary of Cardiac Terms

Kristyne McDaniel

Neither Steve nor I have any kind of medical background. When he started having heart problems in 1995, and then needed a triple bypass operation we were as lost as anyone. Doctors speak in their own language, and to be fair, they have to. When someone is describing a medical condition they need to use precise terms and each of us that are afflicted with a medical condition then need to become familiar with what those terms mean. Only through understanding can we participate in our own care and the care of those we love.

Term Definition
ACE Inhibitor ACE (angiotensin-converting enzyme) - This is a drug that lowers the blood pressure through a process that interferes with the breakdown of a substance in your body that regulates blood pressure.
Angina Chest pain caused by diseased blood vessels restricting blood flow to the heart. You can feel a pain or discomfort in the chest, back, throat, neck, or arms. It can also feel like tightness or pressure or even burning or numbness.
Angiogram This is a surgical procedure done in a hospital where a cardiologist sticks a long instrument through an artery in the top of the leg and snakes it up next to the heart so they can see the condition of the arteries from inside the body. Sometimes (very rarely) things can go wrong, so they always do this procedure in a hospital where a full-up heart bypass operation can be done to be safe.
Artery Each of us have five (5) main arteries around our heart.
Arteriosclerosis Over the course of time, junk builds up in the five (5) main arteries around our heart and they can get blocked. When the arteries are blocked your blood supply isn't there and your heart doesn't get the blood and oxygen it needs to function. This is Bad.
Abdominal aorta  
Ablation  
Acetylcholine  
Alveoli  
Ambulatory ECG Monitor  
Aneurysm  
Angiography  
Annulus  
Antiarrhythmic  
Anticoagulant  
Antihypertensive  
Aorta  
Aortic Valve  
Aphasia  
Arrhythmia (Dysrhythmia)  
Arterioles  
Arteritis  
Ascending Aorta  
Atherectomy  
Atria  
Atrial Flutter  
Atrial Septum  
Atrioventricular Block  
Atrioventricular (AV) Node  
Atrium  
Autoregulation  
Bacterial Endocarditis  
Balloon Catheter  
Balloon Valvuloplasty  
Beta Blocker  
Biopsy  
Blood Clot  
Blood Pressure  
Bradycardia  
Bundle-branch Block  
Bypass  
Calcium Channel Blocker  
Capillaries  
Cardiac Arrest  
Cardiac Catheterization  
Cardiac Enzymes  
Cardiac Output  
Cardiopulmonary Bypass  
Cardiopulmonary Resuscitation (CPR)  
Cardioversion  
Cardiomyopathy  
Carotid Artery  
Carotid Duplex Doppler  
Catheter  
Catheterization  
Cerebral Embolism  
Cerebral Hemorrhage  
Cerebral Thrombosis  
Cerebrovascular  
Cerebrovascular Accident  
Cerebrovascular Occlusion  
Cholesterol  
Cineangiography  
Circumflex Artery  
Claudication  
Collateral Circulation  
Commissurotomy  
Computed Tomography (CT or CAT scan)  
Conduction System  
Congenital  
Congenital Heart Defects  
Congestive Heart Failure  
Coronary Arteries  
Coronary Artery Bypass Graft (CABG)  
Coronary Artery Disease (CAD)  
Coronary Care Unit (CCU)  
Coronary Heart Disease  
Coronary Occlusion  
Coronary Thrombosis  
Cyanosis  
Cyanotic Heart Disease  
Deep vein thrombosis  
Defibrillator  
Diabetes  
Diastolic Blood Pressure  
Digitalis  
Dissecting Aneurysm  
Diuretic  
Doppler Ultrasound  
Dysarthria  
Dysrhythmia (Arrhythmia)  
Echocardiography  
Edema  
Ejection Fraction  
Electrocardiogram (ECG or EKG)  
Electroencephalogram (EEG)  
Electrolytes  
Electrophysiological Study (EPS)  
Embolus (Embolism)  
Endarterectomy  
Endocardium  
Endothelium  
Endocarditis  
Enlarged Heart  
Enzyme  
Epicardium  
Exercise stress test  
Familial Hypercholesterolemia  
Fatty Acids (Fats)  
Fibrillation  
First-degree Heart Block  
Flutter  
Fusiform Aneurysm  
Gated Blood Pool Scan  
Heart Attack  
Heart Block  
Heart-lung Machine  
Heart Valve Prolapse  
High Blood Pressure  
High Density Lipoprotein (HDL)  
Holter Monitor  
Hypertension  
Hypertrophic Obstructive Cardiomyopathy (HOCM)  
Hypertrophy  
Hyperventilation Rapid breathing that is often caused by anxiety. It can be made worse if the person feels like they can't get enough air and breathes even more heavily or rapidly. It can lead to tingly arms and legs, numbness, and even fainting.
Hypoglycemia Blood glucose levels that are abnormally low
Hypotension Abnormally low blood pressure
Hypoxia  
Implantable Cardioverter/Defibrillator  
Immunosuppressives  
Impedance Plethysmography  
Incompetent Valve  
Infarct  
Infective Endocarditis  
Inferior Vena Cava  
Inotropics A classification of drug which increases the strength of the contraction of the heart.
Intracoronary Ultrasound A technique using echoes from sound waves to visualize blood flows and structures within the heart
Intravascular Echocardiography A miniature echo device is placed on the tip of a catheter to generate images inside the blood vessels and the heart. It
Invasive Procedure Any procedure that involves going through skin or muscle in order to get to something inside your body
Ischemia A decrease in blood flow to an organ. It can happen if there is a narrowing or blockage in an artery.
Jugular Veins  
Left Ventricular Assist Device  
Lesion  
Lipid  
Lipoprotein  
Low-density Lipoprotein (LDL)  
Lumen  
Magnetic Resonance Imaging (MRI)  
Minimally Invasive Heart Surgery  
Mitral Stenosis  
Mitral valve  
Mitral Valve Prolapse  
Mitral Valve Regurgitation  
Monounsaturated Fats  
Mortality  
Mortality Rate (Risk-Adjusted)  
Murmur  
Myocardial Infarction  
Myocardial Ischemia  
Myocardium  
Myxomatous Degeneration  
Nitroglycerin  
Necrosis  
Noninvasive Procedures  
Nuclear Cardiology  
Obesity  
Occluded Artery  
Open Heart Surgery  
Pacemaker  
Palpitation  
Patent Ductus Arteriosus  
Percutaneous Transluminal Coronary Angioplasty (PTCA)  
Pericardiocentesis  
Pericardium  
Peripheral Vascular Disease (PVD)  
Plaque  
Platelets  
Polyunsaturated Fat  
Positron Emission Tomography (PET)  
Premature ventricular contraction (PVC)  
Prevalence  
Pulmonary  
Pulmonary Embolism  
Pulmonary Edema  
Pulmonary Valve  
Pulmonary Vein  
Pulse oximeter  
Radiofrequency ablation (RFA)  
Radioisotope  
Radionuclide imaging  
Radionuclide ventriculography  
Regurgitation  
Renal  
Rheumatic Fever  
Rheumatic Heart Disease  
Risk Factor  
Nonmodifiable risk factors  
Rotoblade  
Saccular Aneurism  
Saturated Fat  
Second-degree Heart Block  
Septal Defect  
Septum  
Shock  
Shunt  
Silent Ischemia  
Sinus (SA) Node  
Sphygmomanometer  
Stent  
Stenosis  
Stethoscope  
Streptococcal Infection  
Streptokinase  
Sternum  
Stress  
Stroke  
Subarachnoid Hemorrhage  
Sudden Death  
Superior Vena Cava  
Syncope  
Systolic Blood Pressure  
Tachycardia  
Tachypnea  
Thallium Stress Test  
Third-degree Heart Block  
Thrombolysis  
Thrombosis  
Thrombolytic therapy  
Tissue Plasminogen Activator (TPA)  
Trans Fat  
Transesophageal Echocardiography (TEE)  
Transient Ischemic Attack (TIA)  
Transmyocardial Revacularization (TMR)  
Tricuspid Valve  
Triglyceride  
Ultrasound  
Valves  
Valve Replacement  
Valvuloplasty  
Varicose Vein  
Vascular  
Vasopressors  
Vein  
Ventricle  
Ventricular fibrillation  
Ventricular Tachycardia  
Vertigo  
Wolff-Parkinson-White syndrome  
X-ray  

This page was last updated on Tuesday, August 22, 2006

 

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