Exam 14: Cardiovascular Diagnostic Procedures

The patient is admitted to the ICU with a diagnosis of cardiogenic shock.The patient's VS includes HR 135 beats/min with weak peripheral pulses.The lungs have crackles in the bases bilaterally.O₂ saturation is 90% on 4L/NC.The physician orders diuretics and vasodilators.The nurse expects which responses to the medications.

Ventricular tachycardia has which of the following hemodynamic effects?

Which of the following statements made by a patient would indicate the need for further education before an electrophysiology procedure?

Identify the rhythm.

The Allen test is used before radial arterial line placement to assess

A patient presents with atrial flutter with an atrial rate of 280 beats/min and a ventricular rate of 70 beats/min.Which of the following best explains this discrepancy in rates?

What is the noninvasive imaging technique which is useful in diagnosing complications of MI?

The patient has an HR of 84 beats/min and an SV of 65 mL.Calculate the CO.

A characteristic event in junctional dysrhythmias is

Which of the following findings would be indicative reasons to abort an exercise stress test?

A 24-hour event monitor is commonly known as

The physician anticipates the CVC dwelling time to be 10 to 20 days.The nurse anticipates that the CVC will be placed in the

A new-onset MI can be recognized by which of the following ECG changes?

Identify the rhythm.

A 55-year-old patient is scheduled for a stress test.The patient's maximal predicted HR is estimated to be

A nurse is obtaining the history of a patient who reveals that he had an MI 5 years ago.When the admission 12-lead ECG is reviewed,Q waves are noted in leads V? and V? only.Which of the following conclusions is most consistent with this situation?

ST segment monitoring for ischemia has gained increasing importance with the advent of thrombolytic therapy.The most accurate method for monitoring the existence of true ischemic changes is

Contractility of the left side of the heart is measured by

When performing a 12-lead ECG,how many wires are connected to the patient?

The P wave represents which of the following?