cardiogram

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cardiogram

A doctor examines a patient's cardiogram on a monitor.

Definition

Noun: 1. A graphical recording of the cardiac cycle produced by an electrocardiograph: A cardiogram is a visual trace or chart that represents the electrical activity of the heart over a period of time. It is the output or result of an electrocardiograph test.

Usage
  • The term "cardiogram" is used specifically in medical contexts to refer to the printed or displayed graph of a heart's electrical signals.
  • It is the record itself, not the machine that produces it (which is an electrocardiograph) or the procedure (which is electrocardiography).
Examples
  • The doctor examined the patient's cardiogram for any signs of irregular heart rhythms.
  • A normal cardiogram shows a characteristic pattern of waves labeled P, QRS, and T.
  • The technician compared the new cardiogram with the one from last year to check for changes.
Advanced Usage
  • While "cardiogram" is a correct term, in modern clinical practice, the more common and precise term is electrocardiogram (ECG or EKG). "Cardiogram" is sometimes used informally or in compound terms.
  • "To take a cardiogram": This phrase means to perform an electrocardiogram test to obtain the recording.
    • The nurse will take a cardiogram before your surgery.
Variants and Related Words
  • Electrocardiogram (ECG/EKG) (n): The full and most common term for a cardiogram.
  • Electrocardiograph (n): The machine used to record an electrocardiogram.
  • Electrocardiography (n): The technique or process of recording the electrical activity of the heart.
  • Cardiograph (n): A less common synonym for electrocardiograph.
Synonyms
  • ECG tracing: A synonym emphasizing the graphical line or trace.
  • EKG: A common abbreviation, especially in American English.
  • Heart trace: A less technical, descriptive synonym.
Notes on Meaning
  • The word "cardiogram" is composed of the root "cardio-" (relating to the heart) and "-gram" (meaning something written or recorded). It strictly refers to the resulting graph.
  • Do not confuse with similar-sounding terms like "cardiograph" (the device) or "cardiography" (the process).
cardiogram

A doctor examines a patient's cardiogram on a monitor.

Noun
  1. a graphical recording of the cardiac cycle produced by an electrocardiograph

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