Facts about Electrocardiogram ECG

1. 05

   Resting heart rate and rhythm abnormalities such as atrial fibrillation are among the most common conditions identified through routine ECG screening.

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2. 04

   During an ECG, the QRS complex represents ventricular depolarization and is typically the tallest and most prominent waveform on the recording.

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3. 03

   A standard 12-lead ECG uses ten electrodes placed on the limbs and chest to record electrical activity from twelve different angles of the heart.

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4. 02

   Willem Einthoven invented the practical ECG in 1903 and received the Nobel Prize in Physiology or Medicine in 1924 for this work.

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5. 01

   The ECG records the heart's electrical activity by placing electrodes on the skin, producing a waveform with distinct P, QRS, and T components.

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