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

Which of the following best describes the likely explanation for the patient’s change in condition? 

An ECG obtained from a patient who had a syncopal episode shows a narrow QRS, ST segment elevation in Leads V1 and V2, and a heart rate of 50. The paramedic suspects:

A newborn has central cyanosis, pulse is 70, there is a weak and irregular cry, and the infant has minimal movement and facial grimace when stimulated. What would be the APGAR for this infant?

The paramedic is assessing a patient in an MCI. The patient can follow commands, has an open airway with a respiratory rate of 12, is unable to walk, and has a delayed capillary refill time. According to the START Triage system this patient would be classified as:

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

Order the phases of a rescue operation from first (top) to last (bottom). 

List the situations for which it is acceptable for the paramedic to place a gloved hand into the vaginal canal in the prehospital setting? (Select two correct answers)

A patient is anxious and restless after being struck in the chest with a baseball bat. The patient is dyspneic, has diminished heart sounds, and is becoming disoriented. There is no improvement with oxygen administration. Management includes:

An ECG is obtained on a patient with difficulty breathing. The rhythm has a QRS that is 100 milliseconds, upright P waves, PR interval of 280 milliseconds. Which of the following is characterized by the above findings?