His grandmother is sick and is unconscious; does she have to offer expiation for not fasting?

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Check below answers in case you are looking for other related questions:
The difference between the ruling on swallowing sputum and its effect on the fast, and swallowing a pebble
She broke the fast in Ramadan and she cannot make up those days or feed poor persons instead

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Related Answers:
How could the Shaytaan appear to the disbelievers in the battle of Badr when he is chained up during Ramadan and the battle was in Ramadan?
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The difference between the ruling on swallowing sputum and its effect on the fast, and swallowing a pebble
She broke the fast in Ramadan and she cannot make up those days or feed poor persons instead

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