Raynauds Disease -disease of small arteries - vasospasm and prolonged vasoconstriction
affected by young healthy women, affects peripheral tissues
triggered by cold and emotions, pale colour, blue, then red
Hypertension
sustained raised blood pressure, increased heart failure, essential hypertension
baroreceptors high, higheractivity, sympathetic stimulation
Secondary hypertension, caused by cardiac output and peripheral resistance
fluid retention - vasoconstriction
renal disease may be caused by reginoangiotension -excess secretion
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