Monophasic vs. Biphasic Defibs

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Specializes in PICU.

Hi

Is there any where that I can find info on this? I am doing a research project and I am having a difficult time finding too much info.

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Specializes in Adult and Pediatric Vascular Access, Paramedic.

Monophasic: Give one big dose of electricity which makes a single pass out one pad and to the other. Frequently ususes up to 360 joules.

Biphasic: MUCH BETTER TECHNOLOGY. Uses a lower dose of electricity which exits one pad goes the other and then comes back again. This requires lower engergy because the first pass lowers impedence. For asyncronous defibrilation uses up to 200 joules. typically 120 J, 160 J, or 200 J.

Hope this helps. You can also visit www.zoll.com as I beleive they have information about both.

Sweetooth

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Specializes in Education, FP, LNC, Forensics, ED, OB.
Hi

Is there any where that I can find info on this? I am doing a research project and I am having a difficult time finding too much info.

Here are a few links:

http://www.aedhq.com/aha_2005_guidelines.html

http://circ.ahajournals.org/cgi/content/full/97/16/1654

http://www.medtronic-ers.com/insync/2000sum/inservice.htm

http://www.biphasic.com/reference/Damage_White_Paper.pdf

http://www.medscape.com/viewarticle/502379_4

http://www.bestbets.org/cgi-bin/bets.pl?record=00721

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Specializes in Critical Care.

We use biphasic defibrillators and defit at 150 Jules.

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Specializes in Adult and Pediatric Vascular Access, Paramedic.

I just wanted to add that per the new ACLS guidelines if you are unsure as to whether the defibrilator you are using is monophasic or biphasic than the standard joule dose is 200.

Swtooth

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