The Maltese are known to be friendly, especially if you are in a situation which needs help. Nontheless, keep note of these numbers and names of locations:

Ambulance 112
Fire 112
Police 112
Traffic Accident 2132 0202
Rescue by Helicopter 2124 4371
Rescue by Patrol Boat 2123 8797

Mater Dei Hospital (Goverment Hospital) is the best on the island for emergencies. It is very helpfull for the E111 users who are the European union citizens and will provide you with the same medical care as in your residing country.