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How do abnormal heart rhythms decrease blood delivery by the heart?

April 26, 2017blood DELIVERY heart Rhythms

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How do abnormal heart rhythms decrease blood delivery by the heart?

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Abnormal heart rhythms, either too slow or too fast, decrease the delivery of blood by the heart. Bradycardia is a condition in which the heart rate is too slow. Bradycardias can be due to diseases of the SA node or the conduction tissues of the heart. The slow-beating heart delivers an insufficient amount of blood to the body. Please see the Pacemaker article of MedicineNet.com for information regarding the causes and treatment of bradycardias. Tachycardia is a condition in which the heart rate is too rapid. When the heart pumps too fast, the ventricles do not have enough time to fill their chambers with blood before the next contraction. Therefore, tachycardias can decrease the amount of blood delivered to he body. One of the effects of decreased blood delivery to the body is low blood pressure.