Outcome analysis of a protocol including bedside endovaginal sonography in patients at risk for ectopic pregnancy.

[1]  D. Olson,et al.  Ultrasonographic examination by emergency physicians of patients at risk for ectopic pregnancy. , 1995, Academic emergency medicine : official journal of the Society for Academic Emergency Medicine.

[2]  I. Timor-Tritsch,et al.  Emergency room use of transvaginal ultrasonography by obstetrics and gynecology residents. , 1992, American journal of obstetrics and gynecology.

[3]  J. Abbott,et al.  Ectopic pregnancy: ten common pitfalls in diagnosis. , 1990, The American journal of emergency medicine.

[4]  S. Erickson,et al.  Diagnosis of ectopic pregnancy: endovaginal vs transabdominal sonography. , 1990, AJR. American journal of roentgenology.

[5]  I. Timor-Tritsch,et al.  The discriminatory zone of βhyphen;hCG for vaginal probes , 1990 .

[6]  J. Buster,et al.  Emergency department diagnosis of ectopic pregnancy. , 1989, Annals of emergency medicine.

[7]  D. Nyberg,et al.  Sonographic evaluation of ectopic pregnancy. , 1985, Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

[8]  R. Filly,et al.  The double sac sign of early intrauterine pregnancy: use in exclusion of ectopic pregnancy. , 1982, Radiology.

[9]  R. Romero,et al.  Discriminatory hCG Zone: Its Use in the Sonographic Evaluation for Ectopic Pregnancy , 1981, Obstetrics and gynecology.