AUTOREGULATION-CAUSES OF TACHYCARDIA
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SUMMARY
Tip: CO = HR x SV
1. Decreased CO: due to decreased arterial baroreceptor activity.
2. Decreased venous return: due to decreased atrial baroreceptor activity.
3. Inspiration: due to decreased venous return & decreased atrial baroreceptor activity.
4. Emotions (anger): due to limbic cortex stimulating the vasomotor area.
5. Pain: due to limbic cortex stimulating the vasomotor area.
6. Hypoxia.
7. Fever.
8. Thyroid hormone.
Reference(s)
Barrett, K.E., Barman, S.M., Brooks, H.L., X, J. and Ganong, W.F. (2019). Ganong’s review of medical physiology. 26th ed. New York: Mcgraw-Hill Education
