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An old lady has a pacemaker fitted for some cardiac ds .
Unfortunately the pacemaker malfunctions and speeds up on its own . how will EDV n stroke volume change in this pt
A) both will decrease
B) only EDV will decrease
C) both will remain constant
D) only stroke volume will increase

plz explain also , i don have the explanation

SV=EDV-ESV

increased HR wiil decrease EDV so SV

A) both will decrease

will check, weak in physio, need helpfrom bergkamp b4 u post the answer

AAAAAAAAAAAA

a.

wow, whr did that come from okt3, nice to know someone like u looks at my posts too , will agree with ur explanation btw

yo A is the answer ...thanx for the explanation

yes ans.. is A ANY thng which incr... HR would decr.. EDV & SV