Etiket: heartbeats
Extra heartbeats (extrasystoles)
What is it about ? The heart is made up of 2 upper chambers (the atria) and 2 lower compartments (the ventricles). The myocardium contracts under the impulse of an…
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What is it about ? The heart is made up of 2 upper chambers (the atria) and 2 lower compartments (the ventricles). The myocardium contracts under the impulse of an…