apical

(Apical, from the Latin apex (plural apices) meaning to be at the apex or tip)

barium enema (X-ray)

(A lower gastrointestinal series, also called a barium enema, is a medical procedure used to examine and diagnose problems with the human colon (large intestine). X-ray pictures are taken while barium sulfate fills the colon via the rectum.)

patient-controlled analgesia

when necessary

(Pro re nata, a latin medical term used to mean "as the situation arises" / "take as needed")

Antiembolism, anti-embolic

(embolism - occurs when an object (the embolus) migrates from one part of the body (through circulation) and causes a blockage (occlusion) of a blood vessel in another part of the body)

Benign prostatic hyperplasia

(Benign prostatic hyperplasia refers to the increase in size of the prostate in middle-aged and elderly men.)

Cerebrovascular accedent

Drops

(In medicine, guttae, the plural of gutta, is Latin for drops. It is frequently abbreviated as gtts (gtt for singular) and often seen on prescriptions)

Transient ischemic attack

(A transient ischemic attack (“mini stroke”) is caused by the changes in the blood supply to a particular area of the brain, resulting in brief neurologic dysfunction that persists, by definition, for less than 24 hours; if symptoms persist then it is categorized as a stroke.)