What is the location of the SAN?
A. Left upper corner of right ventricle
B. Right upper corner of right ventricle
C. Right upper corner of left atrium
D. Right upper corner of right atrium
Answer:D
What is the location of the SAN?
A. Left upper corner of right ventricle B. Right upper corner of right ventricle C. Right upper corner of left atrium D. Right upper corner of right atrium