A patient presents with thirty minute history of substernal chest pain that radiates to his left jaw. Which of the following EKG changes would you expect in this patient if his troponin level came back positive at ?

You are taking care of an elderly patient who is hospitalized for sudden onset of severe, diffuse abdominal pain out of proportion to the patient's abdominal physical exam that is also accompanied by rectal bleeding and palpitations. You obtain an ECG and notice a tachycardic, irregularly irregular rhythm without any distinct P waves. Which of the following is the most likely cardiac rhythm seen on this patient's ECG?

A client has just undergone an electrocardiogram (ECG), the nurse notes that the QRS complex is measured to be 0.09 seconds. What is the first action the nurse should take?

What is the most common EKG finding in a patient with a pulmonary embolism?

You are a nurse taking care of a patient in the emergency room. Among other acute labwork and imaging, you obtain an electrocardiogram (ECG) of the patient. The ECG shows Osborn waves. Which of the following is the most common cause of Osborn waves on ECG?

An EKG of your patient shows peaked T-waves. This finding correlates to which electrolyte abnormality?