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(trans'shĕnt, -sē-ĕnt),
1. Short-lived; passing; not permanent; said of a disease or an attack.
2. A short-lived cardiac sound having little duration (less than 0.12 seconds) as distinct from a murmur; for example, first, second, third, and fourth heart sounds, clicks, and opening snaps.
[L. transeo, pres. p. transiens, to cross over]
Farlex Partner Medical Dictionary © Farlex 2012


Sleep disorders The perceived or actual inability to sleep one's usual amount of time; a condition characterized by any combination of difficulty with falling asleep, staying asleep, intermittent wakefulness, and early-morning awakening; episodes may be transient, short-term–lasting 2 to 3 wks, or chronic Triggers Illness, depression, anxiety, stress, poor sleep environment, caffeine, abuse of alcohol, heavy smoking, physical discomfort, daytime napping, medical conditions, poor sleep habits–eg, early bedtime, excessive time awake in bed Examples Psychophysiologic–learned insomnia, delayed sleep phase syndrome, hypnotic dependent sleep disorder, stimulant dependent sleep disorder. See Circadian rhythm, Conditioned insomnia, Familial fatal insomnia, Jet lag, Pseudoinsomnia, Rebound insomnia, REM sleep, Sleep disorder, Sleep-onset insomnia.
Chronologic classification
• Transient–eg, 'jet lag'; does not require treatment
• Short term < 3 weeks in duration, due to travel to high altitudes, grieving loss of loved one, hospitalization, pain
• Long term > 3 weeks in duration, eg related to medical, neurologic or psychiatric disorders or addiction
• Pharmacologic Due to coffee, nicotine, alcohol
• Rebound (withdrawal) Related to abrupt discontinuation of hypnotic drugs
• Delayed sleep phase Due to shift work, chronic pain, sleep apnea and restless leg syndrome


Baldness Dermatology
1. Loss or absence of hair on the scalp.
2. Baldness, see there See Hair replacement, Hot comb alopecia, Moth-eaten alopecia.
Alopecia types
Male pattern
On the front and top–blame mother
Alopecia areata–blame mother, angry lover
Related to RT–blame radiation oncologist
Alopecia capitis totalis–blame mother
Due to chemotherapy—cyclophosphamide, cytosine arabinoside, doxorubicin–blame oncologist
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


1. Short-lived; not permanent.
2. A short-lived cardiac sound of short duration as distinct from a murmur.
[L. transeo, pres. p. transiens, to cross over]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


(trans'shĕnt, -sē-ĕnt)
Short-lived; passing; not permanent.
[L. transeo, pres. p. transiens, to cross over]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
4 shows synthetic signals for a healthy motor VSD-fed IM at 50 Hz and for 1 BRB; synthetic signals are generated considering a 10 second startup transient from 0 a 50 Hz and a steady state from 10 to 20 seconds, which are generated using a linear chirp signal for the startup transient and a 50 Hz tone for the steady state.
Under Florida law, hotel guests are either transient occupants (i.e., ordinary hotel guests) or nontransient occupants (i.e., tenants).
Since the first transient is the ordinary oscillating charge of the capacitor C from the SDV under zero initial conditions, then we have analyzed in detail only the second transient process--the charge of the capacitor [C.sub.1] from the SDV, which occurs under a nonzero initial conditions in voltage [mathematical expression not reproducible] and in current [I.sub.1] (due to the first transient process and the presence of inductance in the circuit) after switching thyristor [VT.sub.1].
These results clearly show the important role of coherent memory in transient dynamics of SRS in gas-filled HCPCFs.
We focus on the system transient voltage stability when the cut line is no longer reinput because 0.38 kV low voltage cable line has generally no reclosing device.
In this study, we aimed to determine the prevalence of permanent and transient PCH in subjects with a diagnosis of PCH were under follow up in our clinic, to determine the etiology in children with permanent PCH, and specify laboratory findings that might be predictive markers for permanent/transient PCH.
A probabilistic framework for transient stability assessment considering the uncertainties occurring in modern power systems is presented in Fig.
This calibration could then be used to examine fueling during the transient engine tests or chassis dynamometer drive cycles.
We hypothesized that MsC-induced depolarization would eventually trigger an ectopic AP-induced [Ca.sup.2+] transient. To test whether the occurrence of the biphasic action potential-induced [Ca.sup.2+] transient depended on MsC, the time course of fluo-4 [Ca.sup.2+] elicited by field stimulation and a priori identified as a biphasic signal was measured in control external solution, followed by the addition of gadolinium ([Gd.sup.3+], 100 [micro]M; Figure 4).
Exposure of the cells to 2 [micro]M thapsigargin in a calcium-free medium induced a transient increase of cytosolic calcium in more than 2/3 of the cells in two independent experiments (Supplemental Figure 3).
According to the author [1] the overall duration of the diesel shunting locomotive in a transient mode can reach 20-40% of the total operating time.