Stabler Sign - atraumatic abdominal wall ecchymosis in the inguinal-pubic area associated with ectopic pregnancy. Francis (Frank) Edward Stabler (1902–1967)
A 32 year woman presents with severe lower abdominal pain and shock in early pregnancy. She has had vaginal bleeding. You consider the differential diagnosis and whilst resuscitation is commenced and gynaecology called you put the probe on her abdomen.