attività elettrica senza polso → pulseless electrical activity (PEA)

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attività elettrica senza polsopulseless electrical activity (PEA)

Pulseless electrical activity or PEA (also known by the older terms electromechanical dissociation) refers a cardiac arrest situation in which a heart rhythm is observed on the electrocardiogram that should be producing a pulse, but is not. Under normal circumstances, electrical activation of muscle cells precedes mechanical contraction of the heart (known as electromechanical coupling). In PEA, there is electrical activity, but the heart either does not contract or there are other reasons why this results in an insufficient cardiac output to generate a pulse and supply blood to the major organs.
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