59840 netter71

CARDIOVASCULAR PHYSIOLOCY

Short-Term Regulation of Blood Pressure

2/₃t

'„NE

Ganglion

-0-

Change in posturę (sitting to standingi

l Parasympathetic

efferent output

X

I Frringrateot barorcccptor affercnt fibers

,~r~

CNS łmedufla)

[_t Cardiac oulput

t Peripheral resistance

t Contractility

t Cardiac ootput

J. Pcrkins

i MS, MFA

- f Slrokc* volume ^r-’|ęi\|

Figurę 4.19 Short-Term Responm jo Changes in Blooo Pressure_

The autonomie: nervOus system is primanly involved in maintaining btood pressure on a second-by-second basis. This is iliustrated tor a change in posturę. ACh, Aeetylcholine; E, epinephrine; NE, norepinephrine; MAP, mean arterial pressure.

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