Fundamentals of Nursing Practice · Perioperative Care
Intraoperative Nursing Care Overview
On this page 7 sections
In 30 seconds
Intraoperative The phase during surgery Full entry → nursing care takes place in the operating room (OR), where a team works under surgical asepsis to maintain a Sterile field The microorganism-free area of drapes and instruments Full entry → while performing the procedure safely. The Circulating nurse Nonsterile nurse who coordinates the room Full entry → coordinates care from outside the sterile field, while the Scrub nurse/technician Sterile team member handling instruments Full entry → and Surgical technologist Trained sterile team member who assists the surgeon Full entry → work within it. The team follows the Universal Protocol Standard to prevent wrong-site surgery Full entry → and performs a Time-out Pre-incision team pause to verify client/procedure/site Full entry → to confirm the correct client, procedure, and site, and collaborates around anesthesia, positioning, and specimen handling to prevent harm.
Why this matters
The Universal Protocol is a patient-safety standard that supports the ethical duty of nonmaleficence by preventing wrong-site surgery. Specimen chain-of-custody Labeled, documented tracking of removed tissue Full entry → has legal weight because mislabeled tissue can lead to incorrect diagnosis or treatment. Roles, supervision, and documentation requirements in the OR are governed by Nurse Practice Acts, institutional policy, and accrediting-body standards, which vary by jurisdiction and facility; nurses must follow local requirements and their own scope of practice.
The college version
1. The OR Team: Sterile and Nonsterile Roles
The intraoperative team divides into sterile and nonsterile members. Sterile team members — the scrub nurse or scrub technician and the surgical technologist — perform a surgical hand scrub, don sterile gown and gloves, and work within the sterile field, the controlled area of sterile drapes, instruments, and surfaces where the procedure occurs. Nonsterile members — most importantly the circulating nurse — remain outside the sterile field, managing the room, documenting, retrieving supplies, and coordinating communication. Surgical asepsis (sterile technique) is the set of practices that keeps the sterile field free of all microorganisms.
2. The Universal Protocol and Time-Out
The Universal Protocol is a safety standard designed to prevent wrong-person, wrong-procedure, and wrong-site surgery. Its centerpiece is the time-out, a pause immediately before incision in which the entire team verifies the correct client, the correct procedure, and the correct site (including laterality such as right versus left), and confirms that consents, imaging, and required equipment are present and correct. Every team member must agree before the procedure begins; any disagreement stops the process.
3. Anesthesia, Positioning, and Specimen Handling
Anesthesia is classified by extent and route: general (loss of consciousness and sensation), regional (anesthesia of a larger body region, such as spinal or epidural), local (anesthesia of a small area), and moderate sedation (depressed consciousness with the ability to respond and maintain airway). The nurse helps protect the client from positioning injury by supporting alignment, padding pressure points, and monitoring for nerve or skin compromise during long procedures. When tissue is removed, the nurse maintains the specimen chain-of-custody — labeling, documenting, and tracking the specimen from the OR to the laboratory — so that results are attributed to the correct client. Team communication (closed-loop and read-back) keeps all roles coordinated.
How it works
- The circulating nurse and anesthesia provider verify the client's identity and consent on arrival to the OR.
- The scrub team establishes the sterile field and prepares instruments under surgical asepsis.
- The team performs the time-out, verifying the correct client, procedure, and site.
- Anesthesia is administered by the anesthesia provider per the planned type (general, regional, local, or moderate sedation).
- The nurse monitors positioning and protects the client from injury throughout the procedure.
- Any specimen is labeled and documented to preserve chain-of-custody before transfer to the laboratory.
Common confusions
| Do not confuse | With | Difference |
|---|---|---|
| Circulating nurse | Scrub nurse | Circulating nurse is nonsterile and coordinates; scrub nurse is sterile and handles instruments |
| Surgical asepsis | Medical asepsis (clean technique) | Surgical asepsis eliminates all microorganisms; medical asepsis reduces their number |
| Moderate sedation | General anesthesia | Moderate sedation preserves responsiveness and airway; general anesthesia causes unconsciousness |
| Time-out | Informed consent | Time-out is a final site/procedure verification; consent is the prior legal agreement |
| Specimen | Surgical count | Specimen is removed tissue requiring tracking; counts verify instruments and sponges |
Memory aids
T-I-M-E — Time-out before incision, Identity verified, Maintain the sterile field, Ensure specimen tracking and positioning safety.
Quick review
Topic Recap
Intraoperative nursing care relies on a coordinated sterile team, a rigorously maintained sterile field, and safety rituals such as the time-out that verify the right client, procedure, and site. The circulating nurse's coordination, the scrub team's sterile technique, and careful attention to anesthesia, positioning, and specimen handling together protect the client during surgery.
Knowledge Check
- Which OR team member works outside the sterile field and coordinates the room?
- What three items does the surgical time-out verify?
- Which type of anesthesia causes complete loss of consciousness?
- Why is the specimen chain-of-custody important?
- What should the circulating nurse do if a break in sterile technique is observed?
Answers and Rationales
- The circulating nurse — this nonsterile role documents, retrieves supplies, and coordinates communication.
- Correct client, correct procedure, and correct site — the time-out prevents wrong-person, wrong-procedure, and wrong-site surgery.
- General anesthesia — it produces unconsciousness and loss of sensation; moderate sedation preserves responsiveness.
- To ensure laboratory results are attributed to the correct client — mislabeled specimens can cause incorrect diagnosis or treatment.
- Alert the team immediately so the break is corrected — any contamination of the sterile field must be identified and remedied to prevent infection.

Eli explains
The same idea, in plain words
Explain it like I’m 10
Picture a kitchen where two cooks make a meal: one cook stays at the stove handling the raw ingredients, while another stays at the counter and hands over clean tools, reads the recipe, and fetches what is missing. In the operating room, the "stove" is the sterile field — only specially prepared people and items may touch it — and the person at the counter is the circulating nurse, who works outside that zone to keep everything running. The whole team pauses together before starting (like confirming the order and the address before cooking) to make sure they have the right person, the right procedure, and the right place on the body. Where it stops being exact: unlike a kitchen, breaking the "clean" rules in surgery can cause a life-threatening infection, so the rules are strict, rehearsed, and legally and professionally enforced.
Simple Example
During a procedure on Mr. Chen's right arm, the circulating nurse calls a time-out: the team verifies Mr. Chen's identity, that the planned procedure is on the right arm, and that the correct site is marked. The scrub nurse maintains the sterile instrument table, and the circulating nurse documents the event and passes any needed supplies without contaminating the field.
Worked example
- The circulating nurse assesses the client's identity, allergies, consents, and site marking before the procedure begins.
- The nurse documents the time-out, positioning, sponge and instrument counts, and any specimens collected.
- The nurse observes the sterile field for breaks in technique and alerts the team if contamination occurs.
- The nurse communicates with the anesthesia provider about vital signs and any change in client status.
- The nurse escalates any discrepancy in identity, site, consent, or counts before, during, or at the close of the procedure.
Key takeaways
- High yield: The time-out verifies the correct client, procedure, and site and is performed before incision.
- High yield: The circulating nurse is nonsterile; the scrub nurse and surgical technologist are sterile team members.
- High yield: Surgical asepsis keeps the sterile field free of all microorganisms.
- General anesthesia causes loss of consciousness; moderate sedation preserves responsiveness and airway reflexes.
- Positioning injury prevention includes alignment, padding, and monitoring of pressure points.
- Specimen chain-of-custody ensures laboratory results are attributed to the correct client.
- Any break in sterile technique must be identified and corrected immediately.
Study toolsYou’ll learn to · Key vocabulary
You’ll learn to
- Describe the operating room (OR) environment and the roles of the circulating nurse, scrub nurse, and surgical technologist.
- Differentiate the sterile and nonsterile team members and explain the concept of the sterile field and surgical asepsis.
- Explain the Universal Protocol and the surgical time-out for verifying the correct client, procedure, and site.
- Outline anesthesia types and key safety concerns including positioning injury prevention and specimen chain-of-custody.
Key vocabulary
- Intraoperative
- The phase during surgery
- OR
- Operating room
- Sterile field
- The microorganism-free area of drapes and instruments
- Circulating nurse
- Nonsterile nurse who coordinates the room
- Scrub nurse/technician
- Sterile team member handling instruments
- Surgical technologist
- Trained sterile team member who assists the surgeon
- Universal Protocol
- Standard to prevent wrong-site surgery
- Time-out
- Pre-incision team pause to verify client/procedure/site
- Specimen chain-of-custody
- Labeled, documented tracking of removed tissue
Educational content only. It is not medical, legal or professional advice. Found an error? Tell us.
