Electrocardiography - Wikipedia
网页Electrocardiography is the process of producing an electrocardiogram (ECG or EKG[a]), a recording of the heart's electrical activity through repeated cardiac cycles. [4] . It is an electrogram of the heart which is a graph of voltage versus time of the electrical activity of the heart [5] using electrodes placed on the skin.
Electrocardiogram (ECG or EKG) - Mayo Clinic
网页2024年4月2日 · Electrocardiogram (ECG or EKG) care at Mayo Clinic. This common test checks the heartbeat. It can help diagnose heart attacks and heart rhythm disorders such as AFib. Know when an ECG is done.
Electrocardiogram (ECG or EKG) | American Heart Association
网页2022年12月7日 · An electrocardiogram — abbreviated as EKG or ECG — measures the electrical activity of the heartbeat. With each beat, an electrical impulse (or “wave”) travels through the heart. This electrical wave causes the …
Electrocardiogram - Johns Hopkins Medicine
网页An electrocardiogram (ECG or EKG) is one of the simplest and fastest tests used to evaluate the heart. Electrodes (small, plastic patches that stick to the skin) are placed at certain spots on the chest, arms, and legs. The electrodes are connected to …
Electrocardiogram - StatPearls - NCBI Bookshelf
网页2023年6月5日 · The electrocardiogram (abbreviated as ECG or EKG) represents an electrical tracing of the heart and is recorded non-invasively from the surface of the body. The word ECG derives from the German language. In German, it is elektro-kardiographie.
Electrocardiography - Electrocardiography - MSD Manual Consumer Version
网页An electrocardiogram (ECG) represents the electrical current moving through the heart during a heartbeat. The current's movement is divided into parts, and each part is given an alphabetic designation in the ECG. Each heartbeat begins with an impulse from the heart's pacemaker (sinus or sinoatrial node).
The Electrocardiogram at 100 Years: History and Future
网页2024年2月5日 · The ECG is the cumulative recording on the body surface of cardiac electrical activity, generated by the action potentials of millions of cardiomyocytes. In contrast to neurons, cardiomyocytes are connected as a syncytium, in which activation of 1 cell activates adjoining cells, leading to wavefront propagation and coordinated electrical ...
Electrocardiographic Monitoring in Adults - The New England …
网页2015年2月19日 · The uses of electrocardiographic (ECG) monitoring have evolved from the tracking of heart rate and basic rhythm to the detection of complex arrhythmias, myocardial ischemia, and changes in the QT...
Electrocardiogram - Health Encyclopedia - University of …
网页An electrocardiogram (ECG or EKG) is one of the simplest and fastest tests used to evaluate the heart. Electrodes (small, plastic patches that stick to the skin) are placed at certain spots on the chest, arms, and legs. The electrodes are connected to …
Electrocardiogram: MedlinePlus Medical Encyclopedia
网页2022年5月8日 · An electrocardiogram (ECG) is a test that records the electrical activity of the heart. How the Test is Performed. You will be asked to lie down. The health care provider will clean several areas on your arms, legs, and chest, and then will attach small patches called electrodes to those areas.