AUTOREGULATION-CAUSES OF BRADYCARDIA
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SUMMARY
Tip: CO = HR x SV
1. Increased CO: due to increased arterial baroreceptor activity.
2. Increased venous return: due to increased atrial baroreceptor activity.
3. Expiration: due to increased venous return & increased atrial baroreceptor activity.
4. Emotions (fear): due to limbic cortex inhibiting the vasomotor area.
5. Hypothermia.
6. Raised ICP: due to Cushing's response.
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
