BCPoCUS - BC Point of Care Ultrasound

BC Point of Care Ultrasound

Your go-to resource for point-of-care ultrasound rapid summaries and videos.

Fetal Heart

Rapid Summary

When to Scan:

Pregnant patients (1st, 2nd or 3rd trimester):

  • Vaginal bleed
  • Abdominal pain
  • Trauma
  • Decreased fetal movement
  • Inability to find fetal heart by doppler

Transabdominal Approach:

  • Best with full bladder if 1st trimester
  • Don't forget to change exam setting to OB

Transvaginal Approach:

  • Used in 1st trimester if fetal heart not seen by transabdominal approach
  • Best with empty bladder
5 Minute Videos

Where to put the probe:

OB pos 2 Trans

Start with same steps as Fetal Presentation:
• Begin in transverse above the pubic symphysis to locate the head
• Rotate to longitudinal then move cephalad to find the spine

When to scan:

When to Scan:

Pregnant patients (1st, 2nd or 3rd trimester):

  • Vaginal bleed
  • Abdominal pain
  • Trauma
  • Decreased fetal movement
  • Inability to find fetal heart by doppler

Transabdominal Approach:

  • Best with full bladder if 1st trimester
  • Don't forget to change exam setting to OB

Transvaginal Approach:

  • Used in 1st trimester if fetal heart not seen by transabdominal approach
  • Best with empty bladder

Where to put the probe:

OB pos 2 Trans

Start with same steps as Fetal Presentation:
• Begin in transverse above the pubic symphysis to locate the head
• Rotate to longitudinal then move cephalad to find the spine

Findings

Fetal position long

• Fetal heart will be in the fetal thorax adjacent to the spine
• Slide probe medial lateral or tilt to improve image

fetal-heart

• Look for cardiac motion

Fetal Heart Rate Calculation