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"Given your unofficial status..."

This article's title is conjectural.
Any name given in official media is eligible to become the title of the article.
The current title is not an official name.

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"What's the matter? All I said was that Komaytos look like little Metr—"

Non-canon warning: This article or section contains information that may not be considered an official part of the Metroid series in the overall storyline by Nintendo.

Note the small lifeline-like object beside the minimap.

The "Heart Monitor" is a feature that was scrapped from Metroid Fusion. It was represented as a small electrocardiographic circle on the screen that would vibrate whenever X Parasites were nearby. Why it was scrapped is unknown. Since it seemingly tracks X, it is similar to the motion tracker used to detect the Xenomorph creatures of the Alien films which inspired Metroid. Alternatively, it could have been a decibel meter that would measure the amount of noise Samus was making; such a feature would be used many years later in The Legend of Zelda: Breath of the Wild.

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