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Obstetric Abdominal Examination – OSCE Guide

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Introduction

Introduce yourself

Wash Hands

Ask if patient has any pain anywhere before you begin

Explanation

Describe what you are going to do

“I would like to perform an examination by gently feeling your tummy.  Although it may be a little uncomfortable, it should not be painful”
.

Gain consent

“Is that ok?”
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Get a chaperone!!

“By law i’m required to have a female chaperone present, is that ok?”
“Do you need to empty your bladder before i examine you?”
Inspection

Position patient to the supine position

Expose abdomen from xiphisternum to the pubic symphysis

Inspect the abdomen

Asymmetry

Foetal Movements

Surgical Scars

Cutaneous Signs of Pregnancy:

  • Linea Nigra
  • Striae Gravidarum
  • Striae Albicans
Palpation

Ask about tenderness before starting!

Measure symphyseal-fundal height
  • Palpate using ulnar border of left hand moving from sternum downwards
  • Locate the fundus of the uterus (firm feeling)
  • Locate upper border of pubic symphysis
  • Measure distance in cm
  • The distance should correlate with gestational age (+/- 2cm)
Determine foetal lie

Fundal Palpation

Do this with both hands to identify which pole of foetus is at fundus

 

Lateral Palpation

Palpate either side of uterus, moving down to determine where the fetal back lies

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Pelvic Manoeuvre

Turn to face patients feet

Press down on either side of lower uterus to determine presenting part

The head will be ballotable (be gentle)

 

How many 5th’s palpable?

Foetal head is divided into fifths in the coronal plane

If you are able to feel the entire head in the abdomen it is 5/5th’s palpable (not engaged)

If you are not able to feel the head at all abdominally it is 0/5th’s palpable (fully engaged)

Auscultation

Use a Pinard’s stethoscope

You have already identified the fetuses back

Place over anterior fetal shoulder (scapulae)

To complete the examination

Re-cover patient - allow patient to re-dress in privacy

Thank Patient

Wash Hands

Summarise Findings - “fundal heigh is 36cm which is in keeping with the current gestation.  The foetus is in a longitudinal lie, with cephalic presentation, 2/5th’s palpatable with a regular heart rate”

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