3.4 Positioning, Draping, and Procedure Preparation
Key Takeaways
- Match position to exam: lithotomy for pelvic, dorsal recumbent for abdominal, Sims for rectal/enema, Fowler for respiratory distress.
- Trendelenburg (head lower than feet) supports shock or hypotension; semi-Fowler (~30-45 degrees) eases breathing.
- Draping exposes only the area being examined and otherwise preserves patient privacy and warmth.
- Procedure prep verifies order, supplies, allergies, consent, package integrity, and expiration dates before starting.
- A sterile field stays dry, intact, in view, above waist level; anything below the waist or out of sight is considered contaminated.
Match the Position to the Exam
NHA positioning items usually describe an exam or symptom and ask which position fits. Learn the named positions and their primary uses.
| Position | Description | Primary use |
|---|---|---|
| Sitting / Fowler | Upright ~90 degrees | Head, neck, chest, upper-body exams |
| Semi-Fowler | Reclined ~30-45 degrees | Respiratory distress, comfort |
| Supine (horizontal recumbent) | Flat on back | General exam, chest, abdomen |
| Dorsal recumbent | On back, knees bent, feet flat | Abdominal and some vaginal exams |
| Lithotomy | On back, feet in stirrups | Pelvic, Pap, urinary procedures |
| Prone | Lying face down | Back, spine, posterior leg exams |
| Sims | Left side, right knee drawn up | Rectal exams, enemas |
| Trendelenburg | Head lower than feet | Shock, hypotension, some procedures |
Memory anchor: lithotomy = pelvic, Sims = rectal/enema, Fowler/semi-Fowler = breathing, Trendelenburg = low blood pressure/shock.
Draping and Privacy
Draping protects dignity and warmth. The rule is simple: expose only the area being examined, keep the rest covered, and reposition the drape as the exam moves. Always explain what you are doing before touching or repositioning, and never leave a partially draped patient exposed in an open room.
Safe Transfers and Body Mechanics
Before moving a patient, lock the wheels on the table, bed, or wheelchair. Use a gait belt when indicated, position your feet shoulder-width apart, bend at the knees not the waist, keep the load close, and pivot rather than twist. Assess dizziness, mobility limits, pain, and pregnancy status first. Common trap: moving a patient quickly without checking fall risk or locking wheels.
Procedure Preparation
Before any procedure, run a verification checklist:
- Order matches the patient and the planned procedure.
- Identifiers confirmed (name plus date of birth).
- Allergies reviewed, especially latex, antiseptics, and anesthetics.
- Consent status confirmed where required (consent itself is the provider's responsibility).
- Supplies gathered; package integrity intact and expiration dates valid.
- Patient instructions given (fasting, full bladder, positioning).
A torn wrapper, a popped sterile-indicator, water stains, or an expired date means the item is unusable — replace it. Sterility is never assumed.
Sterile Field Rules
The NHA tests a fixed set of sterile-field principles. A sterile field must remain:
- Dry and intact — moisture wicks contamination through the barrier (strike-through).
- In view at all times — anything out of sight is considered contaminated.
- Above waist level — anything below the waist is contaminated even if it looks clean.
- Within a 1-inch outer border that is treated as nonsterile.
- Untouched by nonsterile objects, reaching across, talking/coughing over it, or turning your back.
If there is any doubt that the field stayed sterile, treat it as contaminated and set up again. Common trap: continuing a procedure after a sleeve, a dropped item below the waist, or an out-of-sight moment compromised the field. The strong answer protects patient safety, privacy, and sterile integrity before procedure speed.
Opening a Sterile Pack and Adding Items
The NHA tests the mechanics of setting up a field. Open the outermost flap of a sterile wrapper away from your body first, then the side flaps, then the flap nearest you last, so you never reach across the exposed field. To add a sterile item, peel the package and let the contents drop onto the field from a few inches above, keeping your hands and the wrapper edge outside the 1-inch border. Pour sterile solution into a basin without letting the bottle lip touch the field, and pour from a height that avoids splashing, because moisture causes strike-through contamination.
If gloved hands become contaminated — touching a nonsterile surface, a mask, or your own gown below the waist — they are no longer sterile and must be changed. These are concrete, testable steps, not vague principles.
Patient Comfort, Safety, and Communication
Positioning items frequently reward judgment about the patient, not just the anatomy of the position. Lithotomy and Trendelenburg are uncomfortable and should be held no longer than necessary. Older adults, pregnant patients, and those with respiratory or cardiac conditions may not tolerate lying flat, so semi-Fowler is often safer. Always explain the position and the procedure in plain language before repositioning, provide a step or assistance onto the table, and stay alert for dizziness when the patient sits up afterward (let them sit a moment before standing to prevent orthostatic syncope).
Report any patient who cannot tolerate the required position rather than forcing it.
Worked Procedure-Prep Scenario
The provider orders an in-office procedure requiring a sterile tray. Before bringing the patient back you verify the order matches the patient, gather supplies, and inspect each package. One suture pack has a faint water stain and the indicator strip has not changed color, and the antiseptic swab is two months past its expiration date. The correct actions: discard both items, obtain intact and in-date replacements, confirm the patient has no latex or antiseptic allergy, verify consent status with the provider, and position and drape the patient exposing only the operative area.
You set up the field opening flaps away first, keep everything dry, in view, and above waist level, and if you turn your back or step away, you re-verify the field before the provider scrubs in. Speed never overrides sterility, privacy, or fall safety.
Which position is most appropriate for a pelvic examination with the patient's feet in stirrups?
An instrument from the sterile tray briefly drops below the level of the procedure table. How should the CCMA treat it?
Before assisting with a procedure, the CCMA notices the sterile package has a small tear and a water stain. What is the correct action?