--Q--

q

[L. quaque] each, every

q   h

every (1,2, etc.) hour

QA

quality assurance

QAI

quality assessment and improvement

qAM

[L. quaque ante meridiem] every morning

qd

[L. quaque die] every day

qh

[L. quaque hora] every hour

qhs

[L. quque hora somni; every hour of sleep] each bedtime, every night

qid

[L. quater in die] four times daily

qn 

[L. quaque nocte] every night

qns

quantity not sufficient

qod

[L. quaque altera die] every other day

qoe

every other evening

qon

[L. quaque altera nocte] every other night

QRS

electrocardiographic wave complex or interval

qs or QS

sufficient quantity

QT Interval

Interval on ECG between end of QRS and end of T wave

quad

quadriplegia