ICD-10-CM Chapter 7, Diseases of the Eye and Adnexa, is a new chapter and did NOT exist in ICD-9-CM

What happens if a female ferret is not bred when she comes into heat? Why does this happen?

If the PR interval is shortened, it may be indicative of an accessory pathway and may lead to pre-excitation syndrome.

Answer the following statement true (T) or false (F)