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Question: 1 / 400

Which of the following is NOT considered a medical imaging modality?

Fluoroscopy

Ultrasound

Electrocardiography

Electrocardiography is not classified as a medical imaging modality because, rather than creating visual images of anatomical structures, it records the electrical activity of the heart. This process involves attaching electrodes to the patient's skin to measure the heart's electrical impulses over time, providing important information about cardiac function.

In contrast, the other options—fluoroscopy, ultrasound, and computed tomography—are all modalities that produce images directly related to anatomical features. Fluoroscopy provides real-time moving images of the interior structures of the body, ultrasound uses high-frequency sound waves to create images of soft tissues, and computed tomography (CT) offers detailed cross-sectional images through the use of X-rays. Thus, electrocardiography stands apart from these modalities, focusing specifically on the electrical activity rather than visual anatomical representation.

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Computed Tomography

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