CRAT Study Guide Exam with Correct Answers
CRAT Study Guide Exam with Correct Answers Normal PRI interval - Correct Answer 0.12-0.20 Normal QRS interval - Correct Answer 0.11 or less What does the P wave represent? - Correct Answer Atrial depolarization What does the QRS complex represent? - Correct Answer Atrial repolarization and ventricular depolarization Q wave indicates what? - Correct Answer Dead myocardial tissue. Always a negative deflection What is the natural pacemaker of the heart? - Correct Answer SA node 3 types of pacemakers - Correct Answer 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? - Correct Answer First-degree AV block (prolonged PRI 0.20 seconds) Define intrinsic beats - Correct Answer The patient's own heart beat What is sensing? - Correct Answer The ability for the heart to sense and respond to the electrical activity of the heart What is capture? - Correct Answer The pacemaker sends a stimulus to the heart which causes the heart to depolarize Failure to sense - Correct Answer Lack of pacemaker spikes where they should have been. Battery can be dead.
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- Subido en
- 25 de mayo de 2024
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