However, only a few of the possible causes produce an abnormal ECG when people are not having palpitations. If the ECG is done while the person is having palpitations or an abnormal pulse rate, the diagnosis is usually clear. This record, the electrocardiogram (also known as an ECG). read more ) can develop chest pain due to angina or a heart attack (which may be fatal).ĮCG Electrocardiography Electrocardiography (ECG) is a quick, simple, painless procedure in which the heart’s electrical impulses are amplified and recorded. The heart muscle needs a constant supply of oxygen-rich blood. People who have narrowing of the arteries to the heart muscle ( coronary artery disease Overview of Coronary Artery Disease (CAD) Coronary artery disease is a condition in which the blood supply to the heart muscle is partially or completely blocked. A rapid heart rate also increases the oxygen needs of the heart muscle. Heart failure occurs mainly in people who have previously had heart failure or a heart attack, although it can occur in other people if the heart rate is very fast or if the heart beats too fast for a long time. If the heart goes too fast, it may not be able to pump blood adequately, and people may feel faint or pass out or develop heart failure Heart Failure (HF) Heart failure is a disorder in which the heart is unable to keep up with the demands of the body, leading to reduced blood flow, back-up (congestion) of blood in the veins and lungs, and/or. read more ).Īrrhythmias that cause the heart to beat too fast can cause complications (particularly in older people). People may have episodes of a very rapid heartbeat. read more ), disorders of heart valves, and conduction system disturbances (for example, Wolff-Parkinson-White syndrome Wolff-Parkinson-White (WPW) Syndrome Wolff-Parkinson-White syndrome is a disorder in which an extra electrical connection between the atria and the ventricles is present at birth. read more (acute coronary syndrome), congenital heart diseases (for example, the Brugada syndrome or congenital long QT syndrome Torsades de Pointes Ventricular Tachycardia Torsades de pointes ventricular tachycardia is a specific type of ventricular tachycardia that occurs in people who have a particular disorder of the heart's electrical activity called a long. This blockage causes unstable angina or a heart attack (myocardial infarction), depending on the location and amount. read more, heart attack Acute Coronary Syndromes (Heart Attack Myocardial Infarction Unstable Angina) Acute coronary syndromes result from a sudden blockage in a coronary artery. A person with angina usually has discomfort or pressure beneath the. Serious heart disorders include angina Angina Angina is temporary chest pain or a sensation of pressure that occurs while the heart muscle is not receiving enough oxygen.
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