Harvard Heart Letter

Heart attacks: Clarifying the causes and consequences

Not all heart attacks result from a blocked artery — and even small ones can have serious outcomes. Perhaps you’ve heard heart attacks described in various ways, from “mild” to “massive,” or even the ominous-sounding “widow maker.” But these terms may sow confusion and anxiety. The good news: Most people who have a heart attack survive. The bad news? “Any heart attack can be fatal, no matter how big, how small, or…

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