TY  - CHAP
M1  - Book, Section
TI  - Failed Intrauterine Pregnancy
A1  - Dooley-Hash, Suzanne
A1  - Knoop, Kevin J.
A2  - Knoop, Kevin J.
A2  - Stack, Lawrence B.
A2  - Storrow, Alan B.
A2  - Thurman, R. Jason
Y1  - 2021
N1  - 
T2  - The Atlas of Emergency Medicine, 5e
AB  - Fetal  viability  may  be  in  question  for  some  pregnant  patients  presenting  to  the  ED.  Conservative  transvaginal  US  diagnostic  criteria  for  a  failed  IUP  include  a  crown-rump  length  of  7  mm  with  no  cardiac  activity;  a  mean  GS  diameter  of  ≥  25  mm  and  no  visible  embryo;  no  heartbeat  ≥  2  weeks  after  a  visualized  GS  without  a  yolk  sac;  no  heartbeat  ≥  11  days  after  a  prior  documented  GS  with  a  yolk  sac;  and  no  heartbeat  ≥  2  weeks  after  a  prior  documented  GS  without  a  yolk  sac.  
SN  - 
PB  - McGraw-Hill
CY  - New York, NY
Y2  - 2024/04/19
UR  - accessemergencymedicine.mhmedical.com/content.aspx?aid=1181041724
ER  -