RT Book, Section
A1 Freeman, Brian S.
A1 Berger, Jeffrey S.
SR Print(0)
ID 1206860767
T1 Acyanotic Congenital Heart Disease
T2 Anesthesiology Core Review: Part Two ADVANCED Exam, 2nd Edition
YR 2024
FD 2024
PB McGraw Hill
PP New York, NY
SN 9781264285730
LK accessanesthesiology.mhmedical.com/content.aspx?aid=1206860767
RD 2024/10/10
AB Congenital  heart  disease  (CHD)  consists  of  both  shunting  and/or  obstructive  lesions.  In  the  presence  of  these  defects,  blood  flow  follows  the  path  of  least  resistance.  The  amount  of  shunting  between  two  circulatory  beds  is  dependent  on  the  relative  gradient  between  these  two  systems  as  well  as  the  size  of  the  shunt.  When  there  is  an  unrestricted  shunt,  the  amount  and  direction  of  blood  flow  are  dependent  solely  on  the  difference  in  vascular  resistances  between  the  two  sides.  Any  restriction  (eg,  stenosis)  typically  serves  as  the  point  of  maximal  resistance,  which  limits  the  relative  blood  flow  between  two  areas.