| | A Physician's Guide to the Treatment of Hypertrophic Cardiomyopathy |
 | | Specifically, the increased myocardial contractility, and higher heart rate (with a shorter diastolic filling period) will worsen the outflow tract obstruction, increase the severity of mitral regurgitation, increase myocardial oxygen demand, and worsen diastolic filling. |
 | | As with patients who develop a spontaneous myocardial infarction, there may be a potential for ventricular arrhythmias and perhaps even unfavorable ventricular remodeling. |
 | | The need for permanent pacemaker has been as high as 30 percent, as the myocardial infarction is in the region of the bundle of HIS. |
| www.mayoclinic.org /hypertrophic-cardiomyopathy/physiciansguide.html (4923 words) |