Q rue/False 1. The P wave represents atrial depolarization and atrial repolarization. 2. A patient with atrial fibrillation is at high risk for thrombus formation. 3. Ventricular tachycardia is considered an emergency situation because the patient is usually (but not always) unresponsive and pulseless. 4. Atrial fibrillation is the most common sustained dysrhythmia, affecting as many as 6.1 million Americans. 5. A patient with a permanent pacemaker should be instructed not to use a cellular phone. Fill-in-the-Blank 1. The electrical stimulation of the cardiac muscle cells is called depolarization; the mechanical contraction is called _____________. 2. Sinus ___________ occurs when the SA node creates an impulse at a rate less than 60 beats per minute in an adult. 3. If the tachycardia is persistent and causing hemodynamic instability, synchronized ___________________ is the treatment of choice. 4. Patients with atrial fibrillation are at increased risk of heart failure, __________________, and embolic events such as stroke. 5. Catheter ____________ therapy is a treatment that destroys specific cells that are the cause or central conduction route of a tachydysrhythmia that did not respond to medications and is not suitable for antitachycardia pacing. Instructions Each week the student will complete a short preparation assignment while reading and preparing for the upcoming content. This assignment is graded for completion and timely submission per the rubric below. Student completes the assigned preparation assignment and submits in CANVAS. 10 pts Full Marks Completed the assignment and submitted it on time. 0 pts No Marks Did not complete the assignment or had a late submission 10 pts Total: 10 pts PreviousNext