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April 20th 04, 04:13 AM
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Subject: Are RF safety questions too hard for the proposed new Novice
exam? From: Alun Date: 4/19/2004 7:35 PM Central Standard Time Message-id: The current kills you, but it takes volts to jump the gap, thousands of them. I have a little L-shaped scar on my right index finger from 10kV that I didn't touch. I'm an EE amongst other things, and I assume you are a physician?? If you say it doesn't matter which hand it is, then I beleive you, as it sounds like you know. I've never worked with power transmission or distribution, only with electronics, so that limits the current quite a bit (but not necessarily the volts)! Nope...Not an M.D....An ER/Trauma Nurse with 15 years of EMS behind that. But it only took one electrocution to make me a believer. The one victim in particular was in a trench along a runway installing new lights...Somehow his feet came into contact with buried power lines that the work crew was unaware were there. Typical paddle application for defibrillation is to the left chest wall and upper midline sternum. The placement of the paddles in combination with the delivered current attempts to repolarize the the irratically firing SA node causing ventricular fibrillation. (That's the "HE'S IN VEE-FIB" you hear on countless episodes of "E.R." and "Third Watch".) Congrats on being an EE. Does it make you immune to electrocution? Does my NOT being an M.D. in any way diminish the fact that sufficient current sustained by adequate voltage can be fatal regardless of how or where it's applied to human tissue? 73 Steve, K4YZ |
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