References
- Kaplan BC, Dart RG, Moskos M, et al. Ectopic pregnancy: prospective study with improved diagnostic accuracy. Ann Emerg Med 1996;28:10-17. (Level II evidence). Click here to view reference
- Abbott JT, Emmans LS, Lowenstein SR: Ectopic pregnancy: Ten common pitfalls in diagnosis. Am J Emerg Med 1990;8:515-22. (Level IV evidence)
- Braffman BH, Coleman BG, Ramchandani P, et al. Emergency department screening for ectopic pregnancy: a prospective US study. Radiology 1994;190:797-802. (Level II evidence). Click here to view reference
- Barnhart K, Mennuti MT, Benjamin I, et al. Prompt diagnosis of ectopic pregnancy in an emergency department setting. Obstet Gynecol 1994;84:1010-5. (Level II evidence)
- Gracia CR, Barnhart KT. Diagnosing ectopic pregnancy: decision analysis comparing six strategies. Obstet Gynecol 2001;97:464-70. (Level II evidence)
- Wong TW, Lau CC, Yeung A, et al. Efficacy of transabdominal ultrasound examination in the diagnosis of early pregnancy complications in an emergency department. J Accid Emerg Med 1998;15:155-8. (Level II evidence). Click here to view reference
- Jain KA, Hamper UM, Sanders RC. Comparison of transvaginal and transabdominal sonography in the detection of early pregnancy and its complications. AJR 1988;151:1139-43. (Level III evidence)
- Nyberg DA, Mack LA, Laing FC, et al. Early pregnancy complications: endovaginal sonographic findings correlated with human chorionic gonadotropin levels. Radiology 1988;167:619-22. (Level III evidence)
- Nyberg DA, mack LA, Jeffery RB Jr, et al. Endovaginal sonographic evaluation of ectopic pregnancy: A prospective study. AJR 1987;149:1181-6. (Level III evidence)
- Cacciatore B, Stenman UH, Ylostalo P. Diagnosis of ectopic pregnancy by vaginal ultrasonography in combination with a discriminatory serum hCG level of 1000 IU/l [IRP]. Br J Obstet Gynaecol 1990;97:904-8. (Level II evidence). Click here to view reference
- Cacciatore B, Stenman UH, Ylostalo P, et al. Comparison of abdominal and vaginal sonography in suspected ectopic pregnancy. Obstet Gynecol 1989;73:770-4. (Level III evidence)
- Timor-Tritch IA, Yeh MN, Peisner DB, et al. The use of transvaginal ultrasonography in the diagnosis of ectopic pregnancy. Am J Obst Gynecol 1989;161:157-61. (Level III evidence)
- Sadek AL, Schiotz HA. Transvaginal sonography in the management of ectopic pregnancy. Acta Obstet Gynecol Scand 1995;74:293-6. (Level II evidence)
- Brown DL, Doubilet PM. Transvaginal sonography for diagnosing ectopic pregnancy: Positivity criteria and performance characteristics. J Ultrasound Med 1994;13:259-66. (Level II evidence). Click here to view reference
- Russell SA, filly RA, Damato N. Sonographic diagnosis of ectopic pregnancy with endovaginal probes: what really has changed? J Ultrasound Med 1993;3:145-51. (Level III evidence)
- Nyberg DA, Hughes MP, Mack LA, et al. Extrauterine findings of ectopic pregnancy at transvaginal US: importance of echogenic fluid. Radiology 1991;178:823-6. (Level II evidence). Click here to view reference
- Cacciatore B. Can the status of tubal pregnancy be predicted with transvaginal sonography? A prospective comparison of sonographic, surgical and serum hCG findings. Radiology 1990;177:481-4. (Level II evidence). Click here to view reference
- Dart RG, Burke G, Dart L. Subclassification of indeterminate pelvic ultrasonography: prospective evaluation of the risk of ectopic pregnancy. Ann Emer Med 2002;39:382-8. (Level II evidence). Click here to view reference
- Dart RG, Mitterando J, Dart LM. Rate of change of serial ß-human chorionic gonadotropin values as a predictor of ectopic pregnancy in patients with indeterminate transvaginal ultrasound findings. Ann Emerg Med 1999;34:703-10. (Level II evidence). Click here to view reference
- Symonds IM. Ectopic pregnancy: modern management. Current Obstetrics & Gynaecology 1998;8:27-31.
Further Reading
- Dart RG. Role of pelvic ultrasonography in evaluation of symptomatic first-trimester pregnancy. Ann Emerg Med 1999;33:310-20.
- Frates MC, Laing FC. Sonographic evaluation of ectopic pregnancy: an update. AJR 1995;165:251-9. (Review article)
- Durston WE, Carl ML, Guerra W, et al. Ultrasound availability in the evaluation of ectopic pregnancy in the ED: comparison of quality and cost-effectiveness with different approaches. Am J Emerg Med 2000;18:408-17.
File Formats
Some documents for download on this website are in a Portable Document Format (PDF). To read these files you might need to download Adobe® Acrobat Reader.








