Which of the following are considered precordial leads?

A 60 year-old female is complaining of a fever.  Her ECG is above.  Vitals are: BP 116/56, RR 20, P 70 and irregular, and SpO2 97% on room air.  You should:

The purpose of the precordial leads is to evaluate the:

Why is nitroglycerin  given for congestive heart failure exacerbation?

Patients who develop atrial fibrillation are at a higher risk of

Your patient is in unstable supraventricular tachycardia. What should your treatment include?

What is the treatment for unstable wide complex tachycardia

Which of the following complications should the paramedic most likely suspect in a patient with an acute myocardial infarction? 

Which of these most accurately describes the etiology of Wolff-Parkinson-White syndrome

A patient with a diagnosis of primary pulmonary hypertension is complaining of weakness. Assessment findings reveal 3+ pitting edema in the lower extremities, jugular venous distention, and clear lung sounds. Which of the following is most likely?