Evaluation of Association Between Apical Dysfunction and Trans Apical Access for TAVR, in Patients With Severe Aortic Stenosis, Undergoing Trans Apical Trans Catheter Aortic Valve Replacement (TAP-TAVR).

Inclusion Criteria: 1. Severe aortic stenosis defined as aortic valve area of less than 1 cm2 or index area of 0.6 cm2/m2 by echocardiography. 2. Symptomatic patients with aortic stenosis referred for medically indicated AVR 3. Signed informed consent to participate in the study. Exclusion Criteria: 1. Inability to sign written informed consent. 2. Abnormal Apical dysfunction at baseline 3. LVEF \< 20% 4. Pregnancy or breast feeding. 5. Need for emergency surgery for any reason. 6. Any case in which the practicing physician asserts that enrollment in the protocol will