After Receiving the Following Information About Four Patients During Change-Of-Shift

After receiving the following information about four patients during change-of-shift report,which patient should the nurse assess first?

A) Patient with acute pericarditis who has a pericardial friction rub
B) Patient who has just returned to the unit after balloon valvuloplasty
C) Patient who has hypertrophic cardiomyopathy and a heart rate of 116
D) Patient with a mitral valve replacement who has an anticoagulant scheduled