A 15-year-old girl is being evaluated for a heart murmur. Sh…

A 15-year-old girl is being evaluated for a heart murmur. She is asymptomatic. On physical examination, her blood pressure is 174/104 mm Hg on her right arm. Her pulses are 2+ on her upper extremities. The femoral pulses are slightly lower in amplitude than the radial pulses. Her cardiac examination reveals a short midsystolic murmur in the left infrascapular area. For this patient, which of the following is most likely to be found on additional studies?

A 24-year-old man is referred to your practice for elevated…

A 24-year-old man is referred to your practice for elevated cholesterol level. The patient has a father and two siblings with high cholesterol levels on medications. His 31-year-old brother recently had a myocardial infarction. On physical examination, the patient has bilateral arcus senilis. His extremities are remarkable for diffuse and nodular thickenings of the Achilles tendon. What is the most likely diagnosis?