[SCD-FORUM] 4E. Question for Dr. Cannom. Miss Tink

[SCD Symposium]

Dr. Cannom,

Thank you for the case study...

You noted:
"PVC's...suppressed with exercise"...
"but at noon he had a seizure and CPR was initiated by a colleague"

Over the course of nearly 8 years, numerous ARVD diagnosed people,
group members, have mentioned that their PVCs "go away" when they begin
to exercise a little.  Others have mentioned that exercise can take
them quickly into VT (i.e. hopping on an exercise bicycle, doing a few
moves of Tae Kwon Do.)

Numerous members have mentioned that when they have had VT and
subsequently fainted, that those who were with them said they appeared
to be having a "seizure"

The questions are:
1.  Is it well known that some patients with frequent PVCs often notice
that they go away during exercise of some sort, i.e. raise in heart
rate?

As a note, a number of ARVD diagnosed group members have stabilized
(i.e. frequent PVCs, short and/or long runs of VT are alleviated) when
their Brady pacing is set to 65 - 85 (dependent on patient.)

2.  If it is known that frequent PVCs often disappear in some people
during light exercise, is this the reason that some EPs set their
patient's brady pacing as mentioned above?

3. Is it well known that patients who go into VT and subsequently pass
out often appear to be having a seizure?

4. Had the patient in this case been prone to seizures?  Do they have
epilepsy?  Is it possible that a patient suffering that which is
described as seizures and syncope, with no evidence of epilepsy, might
be suspected of something known to cause VT?

Thanks in advance for your help with these answers.

Micheline Tink  Long
International ARVD Family Network Group

--
Dr. Sergio Dubner
President of Scientific Committee

Dr. Edgardo Schapachnik
President of Steering Committee
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