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Certified anesthesiologist assistant

What a newly certified anesthesiologist assistant must do safely within the anaesthesia care team: gather the history that shapes the plan, have the machine, drugs and airway checked and ready, deliver the anaesthetic the anaesthesiologist has directed, and call them early and clearly when it matters. Drawn from the ASA's published description of the CAA's functions and the NCCAA certification examination.

Practice this assessmentHire for this role
Expectations
10
Safety red lines
5
Sources
4
Version
1

Built from American Society of Anesthesiologists, National Commission for Certification of Anesthesiologist Assistants. Reviewed by clinicians, last on .

01What the role is measured on#

Every verdict is made of the same five dimensions. Each is scored on its own, so a candidate sees where they are strong and where to work.

  • Clinical skillsThe hands-on and judgement work of the role: recognising what matters, acting in the right order, and knowing when something cannot wait.
  • Workflow and toolsGetting the work done in a real setting: the systems, records, equipment and handoffs the role runs on, used correctly and on time.
  • Patient communicationHow the role talks with patients, families and colleagues: listening, explaining plainly, and confirming what was understood.
  • Compliance and safetyThe rules that protect people: privacy, consent, infection control, reporting duties and the safety checks the role is accountable for.
  • Role knowledgeKnowing the job itself: what the role is responsible for, where its scope ends, and who to bring in when it does.

02What a ready hire does#

What a competent certified anesthesiologist assistant does on day one, dimension by dimension.

Clinical skills

  • Delivers the anaesthetic plan the anaesthesiologist has prescribed, keeps continuous vigilance, and recognises and treats physiological changes within the plan and established protocols.
  • Prepares for the airway with the anaesthesiologist, oxygenates throughout, moves through the difficult airway plan without fixation, and confirms every tube with waveform capnography.

Workflow and tools

  • Keeps an accurate, contemporaneous anaesthesia record and post-operative notes that show what was given, what was found and who was involved.
  • Hands over to recovery, intensive care, a relieving anaesthetist or the supervising anaesthesiologist in a consistent structure that transfers responsibility explicitly.

Patient communication

  • Takes a focused pre-anaesthetic history that finds what changes the anaesthetic - airway, cardiorespiratory reserve, fasting, medications, allergies and anaesthetic history - and passes it to the anaesthesiologist before the plan is final.
  • Adapts pre-anaesthetic explanations and instructions - fasting, medications, what to expect - to the patient's language and literacy, and checks they were understood.

Compliance and safety

  • Checks the machine, suction, backup ventilation, monitors, airway equipment and drugs before every case, and does not start until they pass.
  • Prepares, labels and gives anaesthetic drugs under the anaesthesiologist's direction so that every syringe is identifiable and single-patient, and accounts for controlled substances.

Role knowledge

  • Works only within the anaesthesia care team under the medical direction of a physician anaesthesiologist, in a jurisdiction that authorises the role, and performs only delegated tasks within their credentials.
  • Calls the supervising anaesthesiologist at the required points and at the first sign of a problem, in a clear message that is acknowledged, and keeps the patient safe until they arrive.

03Safety red lines#

Any one of these keeps a candidate from Ready Day One, whatever the rest of the score. They are published so nobody meets them for the first time in the assessment.

  • Accepts tracheal tube placement on breath sounds, chest movement, misting or a normal saturation without a sustained waveform capnography trace, or keeps ventilating through a tube when the trace is absent.

    An unrecognised oesophageal intubation kills within minutes, and a normal saturation hides it long enough to reassure; a sustained capnography trace is the only reliable confirmation.

  • Would start an anaesthetic on a machine that has not been checked or has failed a check, or without working suction and a self-inflating bag with an oxygen source immediately available.

    A leaking circuit, a failed oxygen supply or no suction is discovered at induction, when the patient is apnoeic and there is no time to find another way to ventilate.

  • Leaves the patient before the receiving clinician has accepted care, or hands over without a difficult airway, a significant intraoperative event, or a drug still acting that could cause deterioration.

    The receiving team acts only on what it is told, and a residual block or unknown difficult airway is discovered in the emergency it causes.

  • Proceeds towards induction without establishing fasting status, allergies, anticoagulant use and personal or family anaesthetic history, or learns of a significant finding - such as a family history suggesting malignant hyperthermia - and does not tell the anaesthesiologist before induction.

    These are the findings that change the drugs and technique; a trigger agent given to a susceptible patient, or an anaesthetic on a full stomach, can kill on the table.

  • Manages a critical event - falling saturation that does not respond, inability to ventilate, severe hypotension or arrhythmia, suspected anaphylaxis or malignant hyperthermia - without immediately calling the supervising anaesthesiologist, or plans to call only if first measures fail.

    The care-team model depends on the anaesthesiologist arriving while the problem is still recoverable, and every minute spent trying alone is taken from the patient.

04Outside the role#

Knowing where the role stops is part of the standard. Going past it is not extra credit.

  • Does not provide anaesthesia without the medical direction of a physician anaesthesiologist, and does not accept supervision from a surgeon, a nurse anaesthetist or any other clinician in place of it.Works within the anaesthesia care team, and does not start a case until a directing anaesthesiologist is assigned and available.
  • Does not practise where the role is not licensed or authorised. Anesthesiologist assistants practise in a limited number of US states and jurisdictions, and many countries have no equivalent role.Confirms that the state and facility authorise the role and practises only under their rules.
  • Does not finalise the pre-anaesthetic evaluation or the anaesthetic plan, or change the plan materially, on their own.Gathers the history and examination, reports it to the anaesthesiologist who approves the evaluation and prescribes the plan, and discusses any change with them.
  • Does not perform a procedure, such as a nerve block or invasive line, that has not been delegated or is outside their credentials.Asks the anaesthesiologist, who performs it or delegates it within state law and facility privileges; in an emergency, acts on established protocols while calling them.

05How it is assessed#

  • A spoken assessment

    An examiner talks the candidate through realistic cases from this role, and follows up the way a senior colleague would.

  • Five dimensions

    Each answer is read against the expectations above and rated on the same four-level scale.

  • The 70 bar

    Every scorecard shows the score against 70, overall and for each dimension, with the reason for the verdict.

  • Safety first

    Crossing one of the safety red lines holds a pass back, however strong the rest was.

The four levels

  1. Not yet
  2. Developing
  3. Proficient
  4. Exemplary
How a verdict is made

06Sources and review#

Drawn from the certification frameworks and practice standards below, and reviewed by clinicians. Version 1, last reviewed .

Cited as sources. Not an endorsement by the organizations named.

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