An elderly patient complains of a severe tearing sensation between the shoulders and spine. Assessment reveals unequal blood pressure readings in the arms. Paramedics most important intervention is:

 A patient is painlessly bleeding dark red blood from the rectum. You should:

Order the phases of the cardiac action potential, starting with the resting membrane potential. 

A patient presents with a BP of 70/40, pulse of 180, and responds only to deep pain. The EKG monitor shows a narrow complex tachycardia. You should:

Given the patient’s current condition, the paramedic decides to perform an emergent needle thoracotomy. List in order the steps for this procedure. 

A high angle rescue is defined as:

Which of the following statements are true regarding the NFPA 704 hazardous materials classification system? (Select three correct answers)

Which of the following would be most harmful to a patient who is undergoing intubation?

There is a medical emergency at a machine shop. Near the entrance of the building there are two victims who appear to have collapsed. The paramedic should:

What is the purpose of using a lead strip behind the patient when performing a lateral projection of the thoracic vertebrae?