<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">I think asymptomathic patient with 1 type of Brugada syndrome need in follow up with ECG control, Holter and information to avoid potentially dangerouse drugs and conditions: antyarrhythmic drugs (Na blockers), high temperature, rapid vagus stimulation vagus (diving and other). One of our patients with transient 1 type of Brugada symptom had synsope only during eating and high temperature. </FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">Leonid Makarov M.D., PhD. Professor of Medicine (Pediatry). Moscow Institute pediatry and children surgery. Center for children arrhythmia, Dpt diagnostic of arrhythmia.</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">125412 Moscow, Taldomskaa str. 2 Russsia </FONT><A href="mailto:leo@oss.ru"><FONT class="Apple-style-span" color="#002FD7"><FONT class="Apple-style-span" face="Arial">leo@oss.ru</FONT></FONT></A></DIV><FONT class="Apple-style-span" face="Arial"><BR></FONT><DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; -khtml-border-horizontal-spacing: 0px; -khtml-border-vertical-spacing: 0px; color: rgb(0, 0, 0); font-variant: normal; letter-spacing: normal; line-height: normal; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">--</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">Dr.</FONT><SPAN class="Apple-converted-space"><FONT class="Apple-style-span" face="Arial"> </FONT></SPAN><FONT class="Apple-style-span" face="Arial">Sergio</FONT><SPAN class="Apple-converted-space"><FONT class="Apple-style-span" face="Arial"> </FONT></SPAN><FONT class="Apple-style-span" face="Arial">Dubner</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">President</FONT><SPAN class="Apple-converted-space"><FONT class="Apple-style-span" face="Arial"> </FONT></SPAN><FONT class="Apple-style-span" face="Arial">of</FONT><SPAN class="Apple-converted-space"><FONT class="Apple-style-span" face="Arial"> </FONT></SPAN><FONT class="Apple-style-span" face="Arial">Scientific</FONT><SPAN class="Apple-converted-space"><FONT class="Apple-style-span" face="Arial"> </FONT></SPAN><FONT class="Apple-style-span" face="Arial">Committee</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 13px/normal Lucida Grande; min-height: 16px; "><FONT class="Apple-style-span" face="Arial" size="3"><SPAN class="Apple-style-span" style="font-size: 12px;"><BR style=""></SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">Dr.</FONT><SPAN class="Apple-converted-space"><FONT class="Apple-style-span" face="Arial"> </FONT></SPAN><FONT class="Apple-style-span" face="Arial">Edgardo</FONT><SPAN class="Apple-converted-space"><FONT class="Apple-style-span" face="Arial"> </FONT></SPAN><FONT class="Apple-style-span" face="Arial">Schapachnik</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">President</FONT><SPAN class="Apple-converted-space"><FONT class="Apple-style-span" face="Arial"> </FONT></SPAN><FONT class="Apple-style-span" face="Arial">of</FONT><SPAN class="Apple-converted-space"><FONT class="Apple-style-span" face="Arial"> </FONT></SPAN><FONT class="Apple-style-span" face="Arial">Steering</FONT><SPAN class="Apple-converted-space"><FONT class="Apple-style-span" face="Arial"> </FONT></SPAN><FONT class="Apple-style-span" face="Arial">Committee</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial"><BR class="khtml-block-placeholder"></FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial"><BR class="khtml-block-placeholder"></FONT></DIV></SPAN></DIV><DIV><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><FONT class="Apple-style-span" face="Arial"><BR></FONT></DIV> <DIV><FONT class="Apple-style-span" face="Arial">If type I ecg is present, pharmacologic test is not indicated, the diagnosis</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial">is made.</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial"><BR class="khtml-block-placeholder"></FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial">Some investigators will go ahead and implant a defibrillator, because of the</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial">family history</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial"><BR class="khtml-block-placeholder"></FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial">Others will wait until he develops any symptoms</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial"><BR class="khtml-block-placeholder"></FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial">I recommend an EPS to risk stratify. If positive then ICD implant.</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial"><BR class="khtml-block-placeholder"></FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial"><BR class="khtml-block-placeholder"></FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial">Ramon Brugada MD FACC</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial">Associate Professor of Medicine</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial">Canadian Research Chair Genetics of Arrhythmias</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial">University of Montreal</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial">Director Clinical Cardiovascular Genetics Center</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial">Montreal Heart Institute</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial">5000 Rue Belanger</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial">Montreal, QC H1T 1C8</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial">Canada</FONT></DIV><DIV><FONT class="Apple-style-span" face="Arial"><BR class="khtml-block-placeholder"></FONT></DIV><DIV><A href="mailto:ramon@brugada.org"><FONT class="Apple-style-span" face="Arial">ramon@brugada.org</FONT></A></DIV><FONT class="Apple-style-span" face="Arial"><BR></FONT><DIV><DIV><FONT class="Apple-style-span" face="Arial"><BR class="khtml-block-placeholder"></FONT></DIV><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><FONT class="Apple-style-span" face="Arial"><BR></FONT></DIV> <DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">Dear Sergio,</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">About a case of reanimation of sudden death in a 54-year-old patient, with no structural heart disease, with all the studies made: coronary angiography, MNR, Holter, EPS. </FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">Everything appears to be normal. Monomorphic arrhythmic storm is detected at the moment the patient is admitted. The patient is provided life support and he recovers in 24 hs. ICD implantation is decided. After three months he displays three shocks by arrhythmic storm, incessant ventricular tachycardia. Mapping and focus ablation is decided, in outflow tract with mismatch. </FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">To this moment, the patient has not displayed any event. It's been three months, and in a Holter register in one of his sons, typical Brugada pattern is observed. The patient is 17 years old, asymptomatic. I cannot perform pharmacological test. What should I do next? </FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 13px/normal GB18030 Bitmap; min-height: 17px; "><FONT class="Apple-style-span" face="Arial" size="3"><SPAN class="Apple-style-span" style="font-size: 12px;"><BR></SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">Dr. Cagnolatti <</FONT><A href="mailto:drcagnolattia@hotmail.com"><FONT class="Apple-style-span" face="Arial">drcagnolattia@hotmail.com</FONT></A><FONT class="Apple-style-span" face="Arial">></FONT></DIV><DIV><BR class="khtml-block-placeholder"></DIV><FONT class="Apple-style-span" face="Arial"></FONT></BLOCKQUOTE></DIV></BLOCKQUOTE></DIV></BODY></HTML>