bypass

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Related to MIDCAB: PTCA, CABG, TMR

bypass

1. a main road built to avoid a city or other congested area
2. any system of pipes or conduits for redirecting the flow of a liquid
3. a means of redirecting the flow of a substance around an appliance through which it would otherwise pass
4. Surgery
a. the redirection of blood flow, either to avoid a diseased blood vessel or in order to perform heart surgery
b. (as modifier): bypass surgery
5. Electronics
a. an electrical circuit, esp one containing a capacitor, connected in parallel around one or more components, providing an alternative path for certain frequencies
b. (as modifier): a bypass capacitor
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

bypass

[′bī‚pas]
(civil engineering)
A road which carries traffic around a congested district or temporary obstruction.
(communications)
The use of alternative systems, such as satellite and microwave, to transmit data and voice signals, avoiding use of the communication lines of the local telephone company.
(electricity)
A shunt path around some element or elements of a circuit.
(engineering)
An alternating, usually smaller, diversionary flow path in a fluid dynamic system to avoid some device, fixture, or obstruction.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

bypass

Any device (such as a pipe or duct) for directing flow around an element instead of through it.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

bypass

In communications, to avoid the local telephone company by using satellites and microwave systems.
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References in periodicals archive ?
In conclusion, we found that cTnT (Elecsys) as well as cTnI (AxSYM) concentrations in plasma of patients after MIDCAB and OPCAB operations were undetectable in 20% of the cases studied and were only slightly increased in most other patients.
MIDCAB involves making a small incision in the chest, instead of the traditional cut down the breastbone, and bypassing the blockage by using another vein as a conduit without placing the patient in a heart-lung machine.
Patients who were referred for MIDCAB surgery, and who did not present contraindications to epidural catheter placement and consented for operation under epidural anesthesia; were randomized either to undergo operation under general endotracheal anesthesia (GA Group) or under epidural anesthesia (EA Group).