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hearing-impaired
hearing loss
hearken
hearsay
hearsay evidence
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heart
heart attack
heart block
heart disease
heart failure
heart-lung machine
heart massage
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Heart of Dixie
heart of palm
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heart block

heart block


noun 
Definition:
 
disrupted heartbeat: a condition in which the nerve impulses that control the heartbeat are irregular so that the ventricles and the atria no longer beat in time with one another

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