,INDICATION: , This is an 87-year-old Caucasian female with critical aortic stenosis with an aortic valve area of 0.5 cm square and recurrent congestive heart failure symptoms mostly refractory to tachybrady arrhythmias and therefore, this is indicated so that we can give better control of heart rate and to maintain beta-blocker therapy in the order of treatment. 
,INDICATION : , This is an 87 - year - old Caucasian female with critical aortic stenosis with an aortic valve area of 0.5 cm square and recurrent congestive heart failure symptoms mostly refractory to tachybrady arrhythmias and therefore , this is indicated so that we can give better control of heart rate and to maintain beta - blocker therapy in the order of treatment .