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hemodynamics

QuestionAnswer
hemodynamics study of blood flow starting w/ pressure and goes high to low
blood pressure- push of blood in walls
highest force artery
weak force veins
high BP damage
low BP poor perfusion/ no blood to organs
normal BP 120/80
high pressure in______ move blood _____ high pressure in ARTERIES move blood FORWARD
low pressure in capillaries for gas exchange
vesodialation decrease in BP
factors that influence BP blood vol., strength of heart contractions, heart rate, blood viscosity(thickness), resistance to blood flow
BP is largely determined by cardiac output
fluid overload means blood pressure inc
diuretic drugs inc urine output, dec BP, removes water from body
inc heart rate means inc blood pressure
dec heart rate means dec blood pressure
more than normal viscosity inc pressure
less than normal viscosity dec pressure
vesomotor mechanism a tiny change can seriously affect BP and blood fluid
vasodilation decrease in BP
vasoconstriction blood vessel diameter shrinks
venous return of blood to heart depends on strong heart, good atrial BP, valves in veins, pumping of skeletal muscles as contract, changing pressure sin chest cavity caused by breathing
inhalation pushes____ and _____ inhalation pushes diaphragm down and sucks in air and also decreases BP and takes blood to heart
9 major pulse points temporal, carotid, apical pulse, brachial, radial, femoral, popliteal, posterior tibial, dorsalis piteous
apical pulse heartbeat
Created by: b.marshall
 

 



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