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What does NC/AT mean?

Published in Medical Terminology 2 mins read

NC/AT stands for Normocephalic, Atraumatic. This term is frequently used in medical contexts, specifically during physical examinations.

Understanding NC/AT

Term Meaning
Normocephalic Indicates that the head is of normal size and shape. There are no signs of abnormal enlargement or any other unusual skull configuration.
Atraumatic Signifies that there is no evidence of trauma or injury to the head or face. This implies no visible bruising, swelling, lacerations, or other wounds.

Essentially, when a medical professional notes "NC/AT," they are saying that upon examining the patient's head, they found it to be normal in size and shape, with no signs of injury.

Context in Medical Examinations

NC/AT is often a component of the Head, Eyes, Ears, Nose, and Throat (HEENT) examination. The HEENT exam looks at the following areas:

  • Head: Assessing the shape, size, and any signs of trauma.
  • Eyes: Evaluating vision and structures of the eyes.
  • Ears: Inspecting the ear canals and hearing capabilities.
  • Nose: Examining the nasal passages and sinuses.
  • Throat: Checking the mouth, throat, and tonsils.

The ideal HEENT exam would note any defects found along with conditions of the skin, oral mucosa, dentition, use of hearing aids, or glasses. However, the reference notes that such information is often omitted and is noted separately if present.

Practical Insights

  • Documentation: Medical professionals use NC/AT as a quick shorthand to indicate normal head findings, saving time and space in medical records.
  • Significance: NC/AT is a positive finding, indicating a healthy head. Any deviation from this would be noted separately as an abnormality.
  • Further Investigation: While NC/AT suggests no obvious head trauma, it does not rule out internal injuries. Additional investigation might be necessary depending on the patient's condition and other findings.