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Low-amplitude T waves may be seen in hypo– or hyperthyroidism. Tall, broad T waves may be seen with internal pacemakers. The T wave in leads I, II, aVL, and V2 to V6 should be described as inverted when the T-wave amplitude is from -1 mm to -5 mm, as deep negative when the amplitude is from -5 mm to -10 mm, and as giant negative when the amplitude is more than -10 mm. The T wave may be described as low when its amplitude is less than 10?

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Final answer:

The T wave represents the repolarization of the ventricles, and its appearance can vary in different conditions. Low-amplitude T waves may be seen in hypo- or hyperthyroidism, while tall, broad T waves may be seen with internal pacemakers. The T wave in specific leads can be further described based on its amplitude.

Step-by-step explanation:

The T wave is a prominent feature on an electrocardiogram (ECG), representing the repolarization of the ventricles. In certain conditions, the T wave may appear differently. Low-amplitude T waves can be seen in hypo- or hyperthyroidism, while tall, broad T waves can be seen with internal pacemakers. The T wave in specific leads, such as I, II, aVL, and V2 to V6, can be described as inverted, deep negative, or giant negative, depending on the amplitude. A T wave can also be described as low if its amplitude is less than 10 mm.

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