Re: Three lead

[Guest guest]

,

Well, I have a couple of questions here. I don't mean to sound

cynical, but what you are saying goes against a lot of information that I

have been given. For example, typical monitor frequency bandwidth is 0.5 to

40Hz while the diagnostic bandwidth is 0.05 to 150Hz. It is my

understanding that the value of the upper end of that range is questionable,

but that the majority of the value in a 12-lead is found in the lower end of

that diagnostic range (0.05-0.5). I also know that I have seen 2 different

ECG tracings from the same patient where the only difference was the

frequency, and they were significantly different.

I would also like to address the value of a prehospital 12-lead with short

transport times. I have personally had patients that, after receiving a

full ER work-up, the ONLY thing that sent them to the cath lab was my

prehospital 12-lead. The patient's ED 12-lead was " normal " as was her blood

work. She had also recently has a stress test that was also unremarkable.

When she went to the cath lab, she had significant blockage in 3 arteries

and was told that the blockage was potentially fatal. Our transport time

with her was less than 4 minutes.

Most people think that the only purpose for a prehospital 12-lead is early

ED notification. While that is an important aspect, the value of a

pre-treatment 12-lead can be immeasurable.

Anyway, I am interested in hearing from you.

Trey Wood

[texasems-L] Three lead

>Hi Trey,

>

> I was wondering if I would get any bites. Yes, I am using the LP10, but

>the diagnostic mode is nothing more than a correction for lead placement.

A

>12 view can be attained by moving leads around, and there is an addapter

for

>a full 12 lead complement, but it is my opinion that if transport times are

>under 15 min. that 12 is not neaded in pre-hospital scope. I tell you more

>after December 1st. I am going to a Cardiac arrest siminar at the VA

>hospital that may give me a different view. Thanks for reading my lengthy

>note. Thanks for ignoring my spelling also.

>

> Washburn

>

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