How many categories are used to classify IEGM storage in current ICDs?

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Multiple Choice

How many categories are used to classify IEGM storage in current ICDs?

Explanation:
The way IEGM storage is organized in current ICDs is to separate recordings into distinct contexts so reviewers can interpret events accurately. There are five categories used for storing intracardiac electrograms. This setup ensures you have precise, high-resolution signals from the sensing lead (near-field) for accurate rhythm discrimination, a broader context (far-field) to understand the surrounding chamber activity, and separate records for the moments around detection and therapy delivery plus diagnostic or baseline data. Having five categories provides enough granularity to verify why therapy was chosen and to check that the device’s discrimination algorithms behaved as intended, while keeping memory use manageable.

The way IEGM storage is organized in current ICDs is to separate recordings into distinct contexts so reviewers can interpret events accurately. There are five categories used for storing intracardiac electrograms. This setup ensures you have precise, high-resolution signals from the sensing lead (near-field) for accurate rhythm discrimination, a broader context (far-field) to understand the surrounding chamber activity, and separate records for the moments around detection and therapy delivery plus diagnostic or baseline data. Having five categories provides enough granularity to verify why therapy was chosen and to check that the device’s discrimination algorithms behaved as intended, while keeping memory use manageable.

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