CRAT Study Guide | Excellent Exam Questions with High-Quality Answers (Latest Update, Grade A+)

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CRAT Study Guide Excellent
Questions & Quality Answers |Latest
Update | Grade A+


Normal PRI interval


🗸🗸: 0.12-0.20




Normal QRS interval


🗸🗸: 0.11 or less




What does the P wave represent?


🗸🗸: Atrial depolarization




What does the QRS complex represent?


🗸🗸: Atrial repolarization and ventricular depolarization




Q wave indicates what?

, 2


🗸🗸: Dead myocardial tissue. Always a negative deflection




What is the natural pacemaker of the heart?


🗸🗸: SA node




3 types of pacemakers


🗸🗸: 1) single (either RA or RV)


2) dual chamber (RA and LV)


3) bi-ventricular (RV and LV --> Congestive Heart Failure)




Which HB would you NOT need a pacemaker for?


🗸🗸: First-degree AV block (prolonged PRI >0.20 seconds)




Define intrinsic beats


🗸🗸: The patient's own heart beat




What is sensing?


🗸🗸: The ability for the heart to sense and respond to the electrical activity of the heart