Medical Dictionary » A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z

Qid
L. Quater in die, four times a day.

Q In Population Genetics
The frequency of the less common of two different alternative (allelic) versions of a gene. (the frequency of the more c (more...)

Ql
L. Quantum libet, as much as desired.

Q-machine
Plasma device studied in the 1960s, noted for its natural quiescence, which made it attractive for (more...)

QNB
Quinuclidinyl benzilate.

QO
Symbols for oxygen consumption.

QR

Q-RB Interval
The time between the onset of the Q wave of the QRS complex and the right bundle-branch potential (normally 15-20 msec).

Q-R Interval
The time elapsing from the onset of the QRS complex to the peak of the R wave; measures the time of onset of the intrins (more...)

QRS Complex
The deflections in an electrocardiographic tracing and represent ventricular activity of the heart.

~ 1 ~ 2 ~ 3 ~ 4 ~ 5 ~ 6 ~ 7 ~ 8 ~ 9 ~ 10 ~