1. Sudden and Unexplained Chronic Fatigue
A sudden, crushing drop in your stamina often signals that your heart is struggling to pump sufficient blood to peripheral tissues. When oxygen delivery drops, routine tasks like carrying groceries or folding laundry feel completely exhausting.
Unlike ordinary tiredness after poor sleep, cardiac fatigue does not resolve with a restful night. You should monitor whether your exhaustion deepens without an obvious physical or emotional trigger.
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