Page 241 - Color Atlas Of Pathophysiology (S Silbernagl Et Al, Thieme 2000)

A. Compensatory Mechanisms When There Is a Risk of Hypovolemic Shock
Blood pressure Blood volume
falls reduced

Chemo- Stimulus
Anaerobic receptors Signal
Compensation
glycolysis P O 2
Hypo- Thirst
Presso- thalamus
Lactate receptors
Circulatory Shock I
pH

Medullary
centers Volume Heart ADH
receptors Renin
Angiotensin II
Aldosterone Plate 7.29
Sympathetic
stimulation
Adrenal
Adrenal cortex
medulla

Kidney
Epinephrine
Capillaries

Water
resorption
Arterial
vasoconstriction, Capillary
esp. kidneys, pressure
stomach, intestine
and skin Renal
Venous perfusion
vasoconstriction
H 2 O flow
Venous into capillaries GFR
return
Heart rate
Peripheral Cardiac contractility
resistance Oliguresis

Blood pressure Blood volume
rises increases 231

Silbernagl/Lang, Color Atlas of Pathophysiology © 2000 Thieme
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