Cardiac massage and Emergency procedure

Cardiac massage noun - An emergency procedure that employs rhythmic compression of the heart (either through the chest wall or, during surgery, directly to the heart) in an attempt to maintain circulation during cardiac arrest.

Emergency procedure and cardiac massage are semantically related. In some cases you can use "Emergency procedure" instead a noun phrase "Cardiac massage".

Emergency procedure noun - Medicine) a procedure adopted to meet an emergency (especially a medical emergency.

Cardiac massage and emergency procedure are semantically related. Sometimes you can replace phrase "Cardiac massage" with "Emergency procedure", this phrases are similar.