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pacemaker control report

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General fitness, health and nutrition
Published
8 May 2004
Last activity
8 May 2004
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Uplbet
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  1. My pacemaker control printouts include two sections named,
    respectively, "Mode change episodes" and "Atrial high
    frequency episodes".

    Two questions, please:
    1) can somebody explain what different kind of arrhythmias
    can be associated, in general, with the so called mode
    change episodes?
    2) an atrial high frequency episode at a frequency as high
    as 272 per minute, could it indicate a flutter episode,
    or a fibrillation episode, or what else?

    The reason of those questions is that my today PM control
    has detected as many as 11 mode change episodes, with 1
    atrial high frequency episode only, over a 2.5 months
    timeframe. Notes: -the frequency of those 11 mode change
    episodes ranges between 200 and 300 per minute -the
    frequency of that single atrial high frequency episode is
    272 per minute -the length all those events is between 1.5
    and 4.5 minutes.

    Thank you

    --
    uplbet
    (in email reply delete 01234 from the address)

  2. uplbet said:


    My pacemaker control printouts include two sections named,
    respectively, "Mode change episodes" and "Atrial high
    frequency episodes".

    Two questions, please:
    1) can somebody explain what different kind of arrhythmias
    can be associated, in general, with the so called mode
    change episodes?

    Generally speaking, atrial fibrillation is the primary
    dysrhythmia that is targeted for a mode change.

    Quoted message said:

    2) an atrial high frequency episode at a frequency as high
    as 272 per minute, could it indicate a flutter episode,
    or a fibrillation episode, or what else?

    A nodal reentry type supraventricular tachycardia (SVT).

    Quoted message said:

    The reason of those questions is that my today PM control
    has detected as many as 11 mode change episodes, with 1
    atrial high frequency episode only, over a 2.5 months
    timeframe. Notes: -the frequency of those 11 mode change
    episodes ranges between 200 and 300 per minute -the
    frequency of that single atrial high frequency episode is
    272 per minute -the length all those events is between 1.5
    and 4.5 minutes.

    Thank you

    You are welcome, uplbet.

    Servant to the humblest person in the universe,

    Andrew

    --
    Dr. Andrew B. Chung, MD/PhD
    Board-Certified Cardiologist
    heartmdphd.comheartmdphd.com

    **
    Who is the humblest person in the universe?
    makeashorterlink.commakeashorterlink.com

    What is all this about?
    makeashorterlink.commakeashorterlink.com

    Is this spam?
    makeashorterlink.commakeashorterlink.com

  3. MD/PhD said:
    Quoted message said:

    2) an atrial high frequency episode at a frequency as
    high as 272 per minute, could it indicate a flutter
    episode, or a fibrillation episode, or what else?

    A nodal reentry type supraventricular tachycardia (SVT)

    in other words, you do not believe that that single short HF
    episode was related with either aflutter or afib, correct?

    Quoted message said:
    Quoted message said:

    The reason of those questions is that my today PM control
    has detected as many as 11 mode change episodes, with 1
    atrial high frequency episode only, over a 2.5 months
    timeframe. Notes: -the frequency of those 11 mode change
    episodes ranges between 200 and 300 per minute -the
    frequency of that single atrial high frequency episode is
    272 per minute -the length all those events is between
    1.5 and 4.5 minutes.

    please allow me a last question: given that 1 mode change
    corresponds to the reported (single) episode of atrial high
    frequency, how about the other 10 mode changes? (note that
    no ventricular high frequency episode was detected)

    Thank you
    --
    uplbet
    (in email reply delete 01234 from the address)

  4. uplbet said:

    On Wed, 05 May 2004 06:37:59 -0400, "Dr. Andrew B. Chung,

    MD/PhD said:
    Quoted message said:

    2) an atrial high frequency episode at a frequency as
    high as 272 per minute, could it indicate a flutter
    episode, or a fibrillation episode, or what else?

    A nodal reentry type supraventricular tachycardia (SVT)

    in other words, you do not believe that that single short
    HF episode was related with either aflutter or afib,
    correct?

    No. The single short HF could still have been either
    aflutter or afib.

    Quoted message said:


    Quoted message said:
    Quoted message said:

    The reason of those questions is that my today PM
    control has detected as many as 11 mode change
    episodes, with 1 atrial high frequency episode only,
    over a 2.5 months timeframe. Notes: -the frequency of
    those 11 mode change episodes ranges between 200 and
    300 per minute -the frequency of that single atrial
    high frequency episode is 272 per minute -the length
    all those events is between 1.5 and 4.5 minutes.

    please allow me a last question: given that 1 mode change
    corresponds to the reported (single) episode of atrial
    high frequency, how about the other 10 mode changes? (note
    that no ventricular high frequency episode was detected)

    Afib/flutter.

    Quoted message said:


    Thank you

    You are welcome, uplbet :-)

    Servant to the humblest person in the universe,

    Andrew

    --
    Dr. Andrew B. Chung, MD/PhD
    Board-Certified Cardiologist
    heartmdphd.comheartmdphd.com

    **
    Who is the humblest person in the universe?
    makeashorterlink.commakeashorterlink.com

    What is all this about?
    makeashorterlink.commakeashorterlink.com

    Is this spam?
    makeashorterlink.commakeashorterlink.com

  5. MD/PhD said:
    Quoted message said:

    in other words, you do not believe that that single short
    HF episode was related with either aflutter or afib,
    correct?

    Quoted message said:

    No. The single short HF could still have been either
    aflutter or afib.

    Beg your pardon. Re-reading your previous reply I now
    realize that my question was a a stupid one.

    Quoted message said:
    Quoted message said:

    please allow me a last question: given that 1 mode change
    corresponds to the reported (single) episode of atrial
    high frequency, how about the other 10 mode changes?
    (note that no ventricular high frequency episode was
    detected)

    Quoted message said:

    Afib/flutter.

    supposing those other 10 mode changes were actually
    triggered by afib/flutter episodes, how come such episodes
    were not recorded by my PM as high frequency episodes?

    Thank you
    --
    uplbet
    (in email reply delete 01234 from the address)

  6. uplbet said:

    On Wed, 05 May 2004 09:33:49 -0400, "Dr. Andrew B. Chung,

    MD/PhD said:
    Quoted message said:

    in other words, you do not believe that that single
    short HF episode was related with either aflutter or
    afib, correct?

    Quoted message said:

    No. The single short HF could still have been either
    aflutter or afib.

    Beg your pardon. Re-reading your previous reply I now
    realize that my question was a a stupid one.

    Don't believe questions are ever as stupid as not asking
    questions ;-)

    Quoted message said:
    Quoted message said:
    Quoted message said:

    please allow me a last question: given that 1 mode
    change corresponds to the reported (single) episode of
    atrial high frequency, how about the other 10 mode
    changes? (note that no ventricular high frequency
    episode was detected)

    Quoted message said:

    Afib/flutter.

    supposing those other 10 mode changes were actually
    triggered by afib/flutter episodes, how come such episodes
    were not recorded by my PM as high frequency episodes?

    Good question. Imho, they should have been except possibly
    due to a quirk of the pacemaker software.

    Quoted message said:


    Thank you

    You are welcome, uplbet :-)

    Servant to the humblest person in the universe,

    Andrew

    --
    Dr. Andrew B. Chung, MD/PhD
    Board-Certified Cardiologist
    heartmdphd.comheartmdphd.com

    **
    Who is the humblest person in the universe?
    makeashorterlink.commakeashorterlink.com

    What is all this about?
    makeashorterlink.commakeashorterlink.com

    Is this spam?
    makeashorterlink.commakeashorterlink.com

  7. MD/PhD said:

    Don't believe questions are ever as stupid as not asking
    questions ;-)

    andrew, that's great ! :-))

    Quoted message said:
    Quoted message said:

    supposing those other 10 mode changes were actually
    triggered by afib/flutter episodes, how come such
    episodes were not recorded by my PM as high frequency
    episodes?

    Quoted message said:

    Good question. Imho, they should have been except possibly
    due to a quirk of the pacemaker software.

    well, I think I'll put the question (its technical side, I
    mean) to the mgr of the local Medtronics office, who gave
    prompt and quite exhaustive answers to my questions over the
    past two years. Regards
    --
    uplbet
    (in email reply delete 01234 from the address)

  8. uplbet said:


    On Wed, 05 May 2004 16:53:50 -0400, "Dr. Andrew B. Chung,

    MD/PhD said:

    Don't believe questions are ever as stupid as not asking
    questions ;-)

    andrew, that's great ! :-))

    Quoted message said:
    Quoted message said:

    supposing those other 10 mode changes were actually
    triggered by afib/flutter episodes, how come such
    episodes were not recorded by my PM as high frequency
    episodes?

    Quoted message said:

    Good question. Imho, they should have been except
    possibly due to a quirk of the pacemaker software.

    well, I think I'll put the question (its technical side, I
    mean) to the mgr of the local Medtronics office, who gave
    prompt and quite exhaustive answers to my questions over
    the past two years. Regards
    --
    uplbet (in email reply delete 01234 from the address)

    Medtronics is a good company with good pacemaker products.

    I believe that when their pacemaker senses an ultrafast rate
    (greater than 300 bpm) that the mode switch occurs even
    before the rhythm registers as a "high frequency" event.

    Servant to the humblest person in the universe,

    Andrew

    --
    Dr. Andrew B. Chung, MD/PhD
    Board-Certified Cardiologist
    heartmdphd.comheartmdphd.com

    **
    Who is the humblest person in the universe?
    makeashorterlink.commakeashorterlink.com

    What is all this about?
    makeashorterlink.commakeashorterlink.com

    Is this spam?
    makeashorterlink.commakeashorterlink.com

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