<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">First of all, greetings. Congratulations for such an interesting event. </FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">I have a case I would like to share. It is a young man (49 years old) with hypertrophic cardiomyopathy diagnosed years ago. </FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">Now he is very symptomatic, with angina in rest and crises of palpitations accompanied by dizziness, and we could not document which type they are. In echocardiogram I have found besides septal hypertrophy of 23 mm, double gradient, one in LVOT, peak of 68 mmHg, and another intraventricular, of 145 mmHg. He is being treated with propranolol 40 mgs per 8 hours. </FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">My question is: would he benefit with a dual chamber pacemaker? Would it be essential to implant ICD? Which of the options is more appropriate (pacemaker, myectomy, or septal ablation)?</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">Once again, congratulations,</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">Dr. Rafael S. León de la Torre</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">Cardiólogo-Ecocardiografista</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">Centro de atención cardiovascular de Camaguey</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Arial">Cuba</FONT></DIV><FONT class="Apple-style-span" face="Arial"><BR></FONT><DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -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-family: Lucida Grande; font-size: 13px; "><FONT class="Apple-style-span" face="Arial" size="3"><SPAN class="Apple-style-span" style="font-size: 12px;"><BR style="font-family: Lucida Grande; font-size: 13px; "></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><FONT class="Apple-style-span" face="Arial"><BR class="Apple-interchange-newline"></FONT></SPAN><FONT class="Apple-style-span" face="Arial"> </FONT></DIV><FONT class="Apple-style-span" face="Arial"><BR></FONT></BODY></HTML>