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[kyoo] /kyu/ noun, plural Q’s or Qs, q’s or qs. 1. the 17th letter of the English alphabet, a consonant. 2. any spoken sound represented by the letter Q or q, as in quick, acquit, or Iraq. 3. something having the shape of a Q . 4. a written or printed representation of the letter […]
- Qrs complex
QRS complex (kyōō’är-ěs’) n. The principal deflection in the electrocardiogram, representing ventricular depolarization.
1. (in prescriptions) as much as is sufficient; enough. 1. . q.s. abbr. Latin quantum sufficit (as much as suffices)