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Electrocardiography (ECG)

Electrocardiography (ECG) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on the skin.

    Why should I do it ?
  • The overall goal of performing electrocardiography is to obtain information about the structure and function of the heart. Medical uses for this information are varied and generally relate to having a need for knowledge of the structure and/or function. Some indications for performing electrocardiography include:
    • Suspected myocardial infarction (heart attack) or new chest pain
    • Suspected pulmonary embolism or new shortness of breath
    • A third heart sound, fourth heart sound, a cardiac murmur [12] or other findings to suggest structural heart disease
    • Perceived cardiac dysrhythmias [12] either by pulse or palpitations
    • Monitoring of known cardiac dysrhythmias
    • Fainting or collapse [12]
    • Seizures [12]
    • Monitoring the effects of a heart medication (e.g., drug-induced QT prolongation)
    • Assessing severity of electrolyte abnormalities, such as hyperkalemia
    • Hypertrophic cardiomyopathy screening in adolescents as part of a sports physical out of concern for sudden cardiac death (varies by country)
    • Perioperative monitoring in which any form of anesthesia is involved (e.g., monitored anesthesia care, general anesthesia); typically, both intraoperative and postoperative.
    • As a part of a pre-operative assessment some time before a surgical procedure (especially for those with known cardiovascular disease or who are undergoing invasive or cardiac, vascular or pulmonary procedures, or who will receive general anesthesia)
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Examination Type
Preferred Branch