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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.
Abbreviations of weights and measures are pronounced using the expansion of the unit (mg = "milligram") and chemical symbols using the chemical expansion (NaCl = "sodium chloride"). Some initialisms deriving from Latin may be pronounced either as letters ( qid = "cue eye dee") or using the English expansion ( qid = "four times a day").
The typical meaning of an "ECG" is the 12-lead ECG that uses 10 wires or electrodes to record the signal across the chest. Interpretation of an ECG is the basis of a number of cardiac diseases including myocardial infarction (heart attack) and arrhythmias such as atrial fibrillation .
Electrocardiogram (ECG) Echocardiogram (heart ultrasound) Angiogram, a scan that shows blood moving through your blood vessels. Blood tests. Blood pressure monitoring.
Abbreviation Meaning E: ecstasy electrolytes Enterococcus epinephrine estradiol ... ECG: electrocardiogram: ECM: extracellular matrix: ECHO: enteric cytopathic human ...
Electrocardiography (ECG/EKG in German vernacular. Elektrokardiogram) monitors electrical activity of the heart, primarily as recorded from the skin surface. A 12 lead recording, recording the electrical activity in three planes, anterior, posterior, and lateral is the most commonly used form.
The QT interval is a measurement made on an electrocardiogram used to assess some of the electrical properties of the heart.It is calculated as the time from the start of the Q wave to the end of the T wave, and approximates to the time taken from when the cardiac ventricles start to contract to when they finish relaxing.
Abbreviation Body part Prevalence in clinical use electrocardiography: ECG or EKG: heart (specifically, the cardiac muscle), with cutaneous electrodes (noninvasive) 1—very common electroatriography: EAG: atrial cardiac muscle: 3—uncommon electroventriculography: EVG: ventricular cardiac muscle: 3—uncommon intracardiac electrogram: EGM