A 68-year-old male patient presents with a diastolic blowing murmur loudest at the second right intercostal space. BP is 170/90 mmHg. CXR shows widened, tortuous aorta and a boot-shaped heart. The most likely diagnosis is:
A 68-year-old male patient presents with a diastolic blowing murmur loudest at the second right intercostal space. BP is 170/90 mmHg. CXR shows widened, tortuous aorta and a boot-shaped heart. The most likely diagnosis is: