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Cardiac Arrest Learning Center

Diagnosis of sudden cardiac death is made when there is a sudden loss of consciousness, breathing stops, and there is no effective heart beat.
Source:Gale Encyclopedia of Medicine
An electrocardiogram (ECG) is a test that records the electrical activity of the heart. See also: Holter monitoring; Stress test.
Source:ADAM
Date:May 2, 2009
Electrocardiography is a commonly used, noninvasive procedure for recording electrical changes in the heart. The record, which is called an electrocardiogram (ECG or EKG), shows the series of waves that relate to the electrical impulses that occur...
Source:Gale Encyclopedia of Surgery
The electrocardiography unit, also called an electrocardiograph, is an apparatus that indirectly measures the heart's electrical activity and records it as a graphic tracing.
Source:Gale Encyclopedia of Nursing and Allied Health
The electrocardiogram (ECG) displays important information about the heart, including the occurrence of a heart attack or lack of oxygen, whether conduction of the heartbeat is disturbed, or its rate or rhythm altered. It is useful as a rapid indi...
Source:Gale Encyclopedia of Public Health
During a physical examination, a health care provider studies a patient's body to determine the presence or absence of physical problems. A typical physical examination includes: Inspection (looking at the body; Palpation (feeling the body with ha...
Source:ADAM
Date:February 23, 2009
The health status of populations and of individuals is assessed for many reasons. Assessing needs for care helps guide the allocation of resources— diagnostic assessments guide treatment, prognostic assessments contribute to planning, and assessin...
Source:Gale Encyclopedia of Public Health
A chest x-ray is an x-ray of the chest, lungs, heart, large arteries, ribs, and diaphragm.
Source:ADAM
Date:August 10, 2008
A chest x ray is a procedure used to evaluate organs and structures within the chest for symptoms of disease. Chest x rays include views of the lungs, heart, small portions of the gastrointestinal tract, thyroid gland and the bones of the chest ar...
Source:Gale Encyclopedia of Medicine
A chest x ray is a procedure used to evaluate organs and structures within the chest for symptoms of disease. Chest x rays include views of the lungs, heart, small portions of the gastrointestinal tract, thyroid gland, and the bones of the chest a...
Source:Gale Encyclopedia of Surgery
A chest x ray is a procedure used to evaluate organs and structures within the chest for symptoms of disease. Chest x rays include views of the lungs , heart , small portions of the gastrointestinal tract, and the bones of the chest area. X rays a...
Source:Gale Encyclopedia of Nursing and Allied Health
An arteriogram is an imaging test that uses x-rays and a special dye to see inside the arteries. It can be used to see arteries in the heart, brain, kidney, and many other parts of the body. The procedure is often called angiography. See also: Aor...
Source:ADAM
Date:May 2, 2009
Angiography is the x-ray (radiographic) study of the blood vessels. An angiogram uses a radiopaque substance, or contrast medium, to make the blood vessels visible under x ray. The key ingredient in most radiographic contrast media is iodine. Arte...
Source:Gale Encyclopedia of Surgery
Angiography is the x-ray (radiographic) study of the blood vessels . An angiogram uses a radiopaque substance, or contrast medium, to make the blood vessels visible under x ray. The key ingredient in most radiographic contrast media is iodine. Art...
Source:Gale Encyclopedia of Nursing and Allied Health
Angiography is the x-ray (radiographic) study of the blood vessels. An angiogram uses a radiopaque substance, or contrast medium, to make the blood vessels visible under x ray. The key ingredient in most radiographic contrast media is iodine.
Source:Gale Encyclopedia of Neurological Disorders
Angiography is the x-ray study of the blood vessels. An angiogram uses a radiopaque substance, or dye, to make the blood vessels visible under x ray. Arteriography is a type of angiography that involves the study of the arteries.
Source:Gale Encyclopedia of Medicine
Angiography is the x-ray study of the blood vessels. An angiogram uses a radiopaque substance, or dye, to make the blood vessels visible under x ray . Arteriography is a type of angiography that involves the study of the arteries. An angiogram of ...
Source:Gale Encyclopedia of Cancer
Heart magnetic resonance imaging (MRI) is a imaging method that uses powerful magnets and radio waves to create pictures of the heart. It does not use radiation (x-rays. The test may be done as part of a chest MRI. Unlike x-rays and computed tomog...
Source:ADAM
Date:May 13, 2009
A computed tomography (CT) scan of the heart is an imaging method that uses x-rays to create detailed pictures of the heart and its blood vessels.
Source:ADAM
Date:February 4, 2009
Computed tomography (CT) of the chest is performed to diagnose a variety of symptoms, including vascular, cardiac, airway disease as well as cancers that can occur in the thoracic region of the body.
Source:Gale Encyclopedia of Nursing and Allied Health
The multiple-gated acquisition (MUGA) scan is a non-invasive nuclear test that uses a radioactive isotope called technetium to evaluate the functioning of the heart's ventricles.
Source:Gale Encyclopedia of Medicine
The multiple-gated acquisition (MUGA) scan, also called a cardiac blood pool study, is a non-invasive nuclear medicine test that enables clinicians to obtain information about heart muscle activity. The scan displays the distribution of a radioact...
Source:Gale Encyclopedia of Surgery
The multiple-gated acquisition (MUGA) scan , also called a cardiac blood pool study, is a non-invasive nuclear medicine test that displays the distribution of a radioactive tracer in the heart . The images of the heart are obtained at intervals th...
Source:Gale Encyclopedia of Nursing and Allied Health
An echocardiogram is a test that uses sound waves to create a moving picture of the heart. The picture is much more detailed than a plain x-ray image and involves no radiation exposure.
Source:ADAM
Date:May 15, 2009
Echocardiography is a diagnostic test that uses ultrasound waves to create an image of the heart muscle. Ultrasound waves that rebound or echo off the heart can show the size, shape, and movement of the heart's valves and chambers as well as the f...
Source:Gale Encyclopedia of Medicine
Echocardiography is a diagnostic test that uses ultrasound waves to produce an image of the heart muscle and the heart's valves.
Source:Gale Encyclopedia of Surgery
Electrolytes are positively and negatively charged molecules, called ions, that are found within cells, between cells, in the bloodstream, and in other fluids throughout the body. Electrolytes with a positive charge include sodium, potassium, calc...
Source:Gale Encyclopedia of Medicine
Electrolytes are positively or negatively charged particles that readily dissolve in water. The predominant positively charged electrolytes in the body are sodium, potassium, calcium , and magnesium, while negatively charged electrolytes include c...
Source:Gale Encyclopedia of Nursing and Allied Health
Electrolytes are positively and negatively charged ions that are found within the cells and extracellular fluids, including blood plasma. A test for electrolytes includes the measurement of sodium, potassium, chloride, and bicarbonate. These ions ...
Source:Gale Encyclopedia of Nursing and Allied Health
Electrolytes are positively and negatively charged molecules called ions, that are found within the body's cells and extracellular fluids, including blood plasma. A test for electrolytes includes the measurement of sodium, potassium, chloride, and...
Source:Gale Encyclopedia of Surgery
Intracardiac electrophysiology study (EPS) is an invasive test that allows doctors to determine the details of abnormal heartbeats, or arrhythmias. See also: Cardiac ablation procedures
Source:ADAM
Date:April 23, 2009
An electrophysiology study (EPS) of the heart is a test performed to analyze the electrical activity of the heart. The test uses cardiac catheters and sophisticated computers to generate electrocardiogram (EKG) tracings and electrical measurements...
Source:Gale Encyclopedia of Surgery
An electrophysiology (EP) study of the heart is a nonsurgical analysis of the electrical conduction system (normal or abnormal) of the heart. The test employs cardiac catheters and sophisticated computers to generate electrocardiogram (EKG) tracin...
Source:Gale Encyclopedia of Medicine
An electrophysiology study (EPS) of the heart is a nonsurgical analysis of the electrical conduction system (normal or abnormal) of the heart. The test employs cardiac catheters and sophisticated computers to generate electrocardiogram (EKG) traci...
Source:Gale Encyclopedia of Nursing and Allied Health
An exercise stress test is a screening tool to test the effect of exercise on your heart. It provides an overall look at the health of your heart. See also: Stress echocardiography; Thallium stress test.
Source:ADAM
Date:April 23, 2009
Used to evaluate heart function, a stress test requires that a patient exercises on a treadmill or exercise bicycle while his or her heart rate, breathing, blood pressure, electrocardiogram (ECG), and feeling of well being are monitored.
Source:Gale Encyclopedia of Medicine
A stress test is primarily used to identify coronary artery disease . It requires patients to exercise on a treadmill or exercise bicycle while their heart rate, blood pressure , electrocardiogram (ECG), and symptoms are monitored.
Source:Gale Encyclopedia of Nursing and Allied Health
A stress test is primarily used to identify coronary artery disease. It requires patients to exercise on a treadmill or exercise bicycle while their heart rate, blood pressure, electrocardiogram (ECG), and symptoms are monitored.
Source:Gale Encyclopedia of Surgery
Thallium stress test is a nuclear imaging method that shows how well blood flows into the heart muscle, both at rest and during activity.
Source:ADAM
Date:May 13, 2009
A thallium heart scan is a diagnostic test that uses a special perfusion-scanning camera and a small amount of thallium-201, a radioactive substance, injected into the bloodstream to produce an image of the blood flow to the heart.
Source:Gale Encyclopedia of Nursing and Allied Health
The technetium heart scan is a non-invasive nuclear scan that uses a radioactive isotope called technetium to evaluate blood flow after a heart attack.
Source:Gale Encyclopedia of Nursing and Allied Health
A thallium heart scan is a test using a special camera and a small amount of radioactive substance injected into the bloodstream to make an image of the blood flow to the heart.
Source:Gale Encyclopedia of Medicine
The technetium heart scan is a noninvasive nuclear scan that uses a radioactive isotope called technetium to evaluate blood flow after a heart attack .
Source:Gale Encyclopedia of Medicine
The CPK isoenzymes test measures the different forms of creatine phosphokinase (CPK) in the blood. CPK is an enzyme found mainly in the heart, brain, and skeletal muscle. See also: Creatine phosphokinase test
Source:ADAM
Date:February 19, 2009
The creatine kinase test measures the blood levels of certain muscle and brain enzyme proteins.
Source:Gale Encyclopedia of Medicine
Cardiac marker tests identify blood chemicals associated with myocardial infarction (MI), commonly known as a heart attack. The myocardium is the middle layer of the heart wall composed of heart muscle. Infarction is tissue death caused by an inte...
Source:Gale Encyclopedia of Surgery
Cardiac marker tests identify blood analytes associated with myocardial infarction (MI), commonly known as a heart attack.
Source:Gale Encyclopedia of Nursing and Allied Health
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