What medication can be administered to control the heart rate of a patient diagnosed with obstructed hypertrophic cardiomyopathy?

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Adverse consequences of mitral-septal contact.

  • Increased LV systolic pressure = increased LV work

  • Decreased aortic and diastolic coronary perfusion pressure

  • Supply-demand ischemia

  • Load-dependent impairment in relaxation and increased filling pressures

  • Mitral regurgitation

  • Mid-systolic drop in LV ejection velocities and flow due to afterload mismatch

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