FUNDAMENTALS OF ECG AND BASIC DYSRHYTHMIAS RYTHM TEST – ECG Questions & Answers with solutions 2025

What is the appropriate treatment for an unstable patient with atrial flutter and an uncontrolled ventricular response; HR >150 beats per minute? - ANSWER Defibrillation Caffeine, alcohol, and fatigue can be likely causes for (Select all that apply.) - ANSWER Atrial flutter Sinus pause Atrial fibrillation Ventricular tachycardia Which of the following conditions/situations may cause bradycardia? - ANSWER Hypoxia Which of the following is an accurate statement about sinus bradycardia? - ANSWER Atrial and ventricular rate is 40-60 beats per minute Sinus tachycardia is defined as a sinus rhythm at a rate of _____. - ANSWER 100-150 bpm What is the name of the rhythm with an atrial rate greater than 250 beats per minute, a non-measurable PR interval, and a ventricular rate of 120? - ANSWER Atrial fibrillation with uncontrolled ventricular rate The sudden onset or cessation of a dysrhythmia is called? - ANSWER Paroxysmal Which of the following arrhythmias are you likely to see with patients on ventilators, infants and children, and with the elderly? - ANSWER Sinus arrhythmia Which of the following conditions may cause sinus tachycardia? - ANSWER dehydration What rhythm shows a normal rate, normal QRS and PRI durations, and an absent beat or beats - ANSWER Sinus pause A way to determine if you are looking at a junctional or atrial arrhythmia is to look at the ECG characteristics of the _____. - ANSWER P-Wave