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Old 02-04-2012, 12:13 PM
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Default Long Island MEDCOM

I recently acquired an old Uniden BCD950XLT (without a CTCSS board). I've been using it to monitor Southwest CMED in Connecticut, but since there's no CTCSS, I can also hear Long Island MEDCOM.

They still use analog EKG transmission over the air and I was wondering if there was some way to decode the signal on a computer to view the EKG? It sounds like they use a combination of tones, DTMF, and something else for the actual EKG data.
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Old 02-04-2012, 4:21 PM
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What frequency are you hearing this off of?

And why would anyone want to decode a patients EKG? Odd and dabbles into the HIPPA Law violations.
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Old 02-05-2012, 1:18 AM
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Quote:
Originally Posted by Rudy3145 View Post
What frequency are you hearing this off of?

And why would anyone want to decode a patients EKG? Odd and dabbles into the HIPPA Law violations.
Telemetry is broadcast over the MED channels.

Public Safety Scanner Frequencies and Radio Frequency Reference

It's HIPAA, not HIPPA, and this has nothing to do with HIPAA at all. Private citizens monitoring radio frequencies are not governed by the HIPAA law. HIPAA governs health care providers.

Understanding Health Information Privacy

HIPAA - Frequently Asked Questions
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Old 02-05-2012, 9:53 AM
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Thank You, Thank You, Thank You now class repeat after me
H-I-P-A-A, H-I-P-A-A

And since there is no "identifying data" in the Telemetry it doesn't apply.

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Originally Posted by Chauffeur6 View Post
It's HIPAA, not HIPPA, and this has nothing to do with HIPAA at all. Private citizens monitoring radio frequencies are not governed by the HIPAA law. HIPAA governs health care providers.

Understanding Health Information Privacy

HIPAA - Frequently Asked Questions
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Old 02-05-2012, 9:59 AM
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Quote:
Originally Posted by jchappy View Post
I recently acquired an old Uniden BCD950XLT (without a CTCSS board). I've been using it to monitor Southwest CMED in Connecticut, but since there's no CTCSS, I can also hear Long Island MEDCOM.

They still use analog EKG transmission over the air and I was wondering if there was some way to decode the signal on a computer to view the EKG? It sounds like they use a combination of tones, DTMF, and something else for the actual EKG data.
What frequencies are you hearing this on?
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Old 02-05-2012, 2:23 PM
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Quote:
Originally Posted by Rudy3145 View Post
And why would anyone want to decode a patients EKG? Odd and dabbles into the HIPPA Law violations.
First, it's not a HIPAA violation, as others have stated. HIPAA governs the actions of healthcare providers only. Besides, there are no patient demographics other than the age and sex of the patient transmitted over the air.

Second, I'm a medical student and I'd be interested to see the EKGs that correspond with the hospital patches.

I was just wondering if anyone has come up with a way to decode the signals, not just because I'd like to see the EKG, but I'm also curious as to the method of encoding/decoding the signal.

I'm not breaking any laws by doing this, and there's really nothing odd about it at all. Please do your research before attempting to criticize someone else's actions or intentions.

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What frequencies are you hearing this on?
I've only heard this on 463.1000 (MED 5), but I can't speak for any other channels. The paramedic usually says something like "[Unit] on 5", and then someone from "MEDCOM" answers. Then the paramedic usually gives a brief report, may or may not ask for medication orders, and then may or may not transmit an EKG (which starts out with DTMF, and then various "whistling" sounds with DTMF interspersed occasionally).
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Old 02-05-2012, 2:27 PM
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Interesting. I'll see if I can hear this as well.

Guys, consider this an official warning - enough with the HIPAA stuff. Thanks.
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Old 02-05-2012, 7:13 PM
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suffolk county amb use the county 800 trunked for EKG's to the hosp only now !
check the pl code on that freq 463.1000 (MED 5) 162.2 pl is nassau ; 156.7 pl is suffolk
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Old 02-07-2012, 8:48 PM
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I was finally able to pick them up again...using PL 162.2 so it must be Nassau County.
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Old 02-07-2012, 9:26 PM
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I'm not sure of the encoding scheme, but the device commonly used to transmit 12 lead EKG data from the monitor via radio is called a Rosetta. It's not like like old days, when you just plugged your LifePak 5 into the EKG jack of the med radio and sent lead 2. The Rosetta lets you send a full diagnostic 12 lead to the doc who can them print it and, if need be, use it as a tool to activate the cath lab.

If you do some research, you might be able to figure some stuff out.

http://www.general-devices.com/rosetta-lt


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Old 02-07-2012, 11:19 PM
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Telefactor Biomedical Telemetry Decoder Mdl TM102-D

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Old 02-08-2012, 9:45 AM
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Quote:
Originally Posted by jchappy View Post
I was finally able to pick them up again...using PL 162.2 so it must be Nassau County.
Most Likely. Any MEDCOM channel I've ever heard from Nassau County has a 162.2PL. You're best bet would just be to lock that PL out instead of running CSQ if you want to block Nassau from your scanner.
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