On a lab report, Quantity Not Sufficient. The sample is not large enough to do the test.

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  • QRS complex

    The deflections in an electrocardiogram (EKG) tracing that represent the ventricular activity of the heart.

  • QT syndrome, long

    A disorder of the heart’s electrical system that predisposes individuals to irregular heartbeats, fainting spells, and sudden death. The irregular heartbeats are typically brought on by stress or vigorous activity. Abbreviated LQTS. LQTS is often symptoml

  • Quack

    1) A practitioner who suggests the use of substances or devices for the prevention or treatment of disease that are known to be ineffective. 2) A person who pretends to be able to diagnose or heal people, but is unqualified and incompetent.

  • Quackery

    Deliberate misrepresentation of the ability of a substance, a device, or a person to prevent or treat disease.

  • Quadrant

    A quarter of an area. For example, the liver is in the right upper quadrant of the abdomen.

Disclaimer: QNS definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.