Skip to main content


Case from Ultrasound of the Week

23 year old female G1P0 taking fertility drugs complains of abdominal cramping and vaginal bleeding. 

Click for Videos and Explanation 

What to know
  1. Explain the clinically relevant anatomy of the female pelvis.
  2. Describe the indications, contraindications and pitfalls of CUS for first trimester pelvic pain and bleeding.
  3. Perform ultrasound protocol including transabdominal and endovaginal views.
  4. Understand the role of CUS, consultative US, and quantitative b-hCG in a clinical algorithm.
  5. Describe the differential diagnosis for first trimester pelvic pain and bleeding including intrauterine pregnancy, embryonic demise, molar pregnancy, ectopic pregnancy, and indeterminate classes.
  6. Recognize CUS findings and pitfalls when evaluating for early intrauterine pregnancy and ectopic pregnancy including recognition and location of early embryonic structures, direct and indirect findings of ectopic pregnancy and adnexal masses.

Introduction to Bedside Ultrasound
Free iBook download Vol 1 and Vol 2
Chapter 7: Pregnancy
Self Assessment Quiz

Where to Learn More

US Podcasts
Intrauterine Ketamine? Pregnancy Part 2 by Casey Parker 2015
Ultrasound for Late Pregnancy with Casey Parker 2015
Interstitial Pregnancy with Resa Lewiss 2015
Pregnancy US Part I 2014
Pregnancy US Part II The Ectopics 2014

ACEP US Section Resources
ACEP Sonoguide US in Early Pregnancy Page by William Hosek
ACEP OB/Gyn Test by Mike Stone and Rob Blakenship

SAEM Academy of EUS Resources
Transvaginal Pelvic Ultrasound by Meghan Herbst
Transabdominal Pelvic Ultrasound by Lorraine Ng

Eastern Virginia Medical School 
Ultrasound in Obstetrics and Gynecology - A Practical Approach. eBook by Alfred Abuhamad

Emergency Ultrasound by Geoff Hayden
OB Lecture

Key Articles to Review and Discuss

Popular posts from this blog

Weekly Fix - Lung Ultrasound!

Check out the awesome narrated lecture below by EM US Fellow Dr. Damali Nakitende.  Read the Chou article while listening to the podcast .  For more lung US FOAMed fun check out the Thoracic page.

Consider the Probe 3: So I've found the effusion, now what?

A 74 y/o F with pmhx of metastatic breast cancer, IDDM, HTN presents after a syncopal episode.  The patient notes that for the past 2-3 days she has been experiencing some lightheadedness and shortness of breath with exertion.  She is presently undergoing chemotherapy (I'd throw in some random chemo drus here, but lets face it, we wouldn't know them anyways...) and radiation.  She notes that she hasn't been eating/drinking very well.  She denies fever, cough, hemoptysis, leg pain/swelling.  She has mild nausea but no abdominal pain. As you peek up at the monitor, you note that the patient’s HR is ~ 135 and her BP is 88/56 .  Her O2 saturation is  99% and the nurse told you that she was afebrile.  Taking a look at this patient, she looks ill-appearing and anxious.  Her extremities are cool to touch.  You quickly decide that Room 33 might not be the best place to manage this patient and that she would be better served in a RESUS station.  As you wheel the patient to RE

Consider the Probe Take 2: Coming to Grips with your Fundoscopic Shortcomings....

49 y/o M with hx of HTN, HLD, IDDM presents with non-traumatic L-sided painless visual loss.  The patient states that several hours prior to presentation he developed blurry vision in his L eye.  On quick examination, there are no signs of trauma.  Visual acuity is 20/120 on the L and 20/40 on the R with normal intraocular pressures bilaterally.  Pupils are briskly reactive without any photophobia or consensual photophobia.  The lids, sclera, conjunctivae are grossly normal and there are no corneal defects with fluorescein staining.  Coming out of the room, you are concerned about this sudden-onset blurry vision.  You remember a short lecture on visual acuity changes that Dr. Schindlebeck begrudgingly gave you in between his posting about sweater vests on Pinterest.  Your differential brings concerning diagnoses including central retinal arterial occlusion (CRAO), central retinal vein occlusion (CRVO), retinal detachment, as well as vitreous hemorrhage.  Now, our patien