Etiket: sinus node
Increased heart rate from the sinus node (sinus tachycardia)
What is it about ? The heart is made up of two upper chambers (the atria) and two lower chambers (the ventricles). The heart muscle contracts under the impulse of an…
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What is it about ? The heart is made up of two upper chambers (the atria) and two lower chambers (the ventricles). The heart muscle contracts under the impulse of an…