Before any homeostatic mechanisms take place, explain what occurs initially to a patientâ€™s blood pressure when...

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Medical Sciences

Before any homeostatic mechanisms take place, explain what occursinitially to a patientâ€™s blood pressure when they lose a lot ofblood during surgery. Use arrows to designate increases ordecreases.
EDV minus ESV equals SV
SV multiplied by HR equals CO
CO multiplied by TPR equals BP

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Answer SV due to blood loss EDV blood filled in each ventricle during relaxation ie End diastolic Volume decreases So certainly SV will decrease CO now since SV decreases CO will decrease as CO SV X Heart rate and HR will not increase so early as compensation as In question it is given that no homeostatic mechanism is included BP similarly BP will decrease due to fall in CO and no significant rise in TPR Total peripheral Resistance initially As question states not to include any compensatory See Answer

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