An ambulance is a specialized vehicle used to transport people who require medical assistance to a healthcare facility, usually a hospital.

Anesthesiology is a medical specialty focused on providing pain relief, sedation, and overall care for patients undergoing surgeries or other medical procedures.

The Wikipedia page on Arteries provides an in-depth overview of the major blood vessels in the human body that carry oxygenated blood from the heart to the various organs and tissues.

Cardiopulmonary resuscitation (CPR) is a life-saving emergency procedure performed on individuals whose heart or breathing has stopped.

The chain of survival refers to a series of actions that, properly executed, reduce the mortality associated with sudden cardiac arrest.

An emergency department (ED), also known as an accident & emergency department (A&E), emergency room (ER), emergency ward (EW) or casualty department, is a medical treatment facility specializing in emergency medicine, the acute care of patients who present without prior appointment, either by their own means or by ambulance.

Emergency medical services (EMS), also known as ambulance services or paramedic services, are emergency services that provide urgent pre-hospital treatment and stabilisation for serious illness and injuries and transport to definitive care.