P r interval Study guides, Class notes & Summaries
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![Basic ECG Interpretation Challenge Test Questions With Complete Solutions](/docpics/3692808/6538e915d5dec_3692808_121_171.jpeg)
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Basic ECG Interpretation Challenge Test Questions With Complete Solutions
- Exam (elaborations) • 24 pages • 2023
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What are the 6 parts of the cardiac conduction cycle? correct answer: -SA node 
-Internodal pathways 
-AV node 
-Bundle of His 
-R and L bundle branches 
-Purkinje fibers 
 
What is the SA node? correct answer: -Small cluster of cells located in the upper R atrium 
*-Pacemaker of the heart* 
 
What are internodal pathways? correct answer: Impulses sent by the SA node that travel through the atrial muscle fibers via the intra-atrial pathways 
 
Allows for simultaneous depolarization and contra...
![CSEP CEP Study Guide Exam Questions & Answers 2024/2025](/docpics/5304551/6643f0b4df4d2_5304551_121_171.jpeg)
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CSEP CEP Study Guide Exam Questions & Answers 2024/2025
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CSEP CEP Study Guide Exam Questions & Answers 2024/2025 
 
 
Autorythmic - ANSWERSSelf Exciteable, and repeatedly generate action potential eg. natural pace maker 
 
Cause of fundamental heart rhythm - ANSWERSNOT by nerve impulses or hormones, rather electrical impluse 
 
SA Node - ANSWERSMain natural pacemaker, faster conduction than autorhytmic fibres 
 
The Heart's electrical flow - ANSWERSSA Node to AV Node - AV Node to AV Bundle - Bundle of HIS to L and R branches to Apex and Purkinje FIbr...
![NURS 4626 EXAM 1 QUIZBANK](/docpics/5378106/664baf9bba104_5378106_121_171.jpeg)
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NURS 4626 EXAM 1 QUIZBANK
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To determine whether there is a delay in impulse conduction through the ventricles, the nurse will measure the duration of the patient's: 
A) p wave 
B) q wave 
C) pr interval 
D) qrs complex 
D) qrs complex 
(the qrs complex represents ventricular depolarization. The p wave represents the depolarization of the atria. The pr interval represents depolarization of the atria, av node, bundle of his, bundle branches, and the purkinje fibers. The q wave is the first negative deflection following the...
![Test Bank for Statistics Alive!, 3rd Edition by Wendy J. Steinberg](/docpics/639364e67919e_2168375.jpg)
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Test Bank for Statistics Alive!, 3rd Edition by Wendy J. Steinberg
- Exam (elaborations) • 324 pages • 2022
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Test Bank for Statistics Alive! 3e 3rd Edition by Wendy J. Steinberg, Matthew Price. 
 
ISBN-13: 8263 
 
Full Chapters test bank included 
 
Module 1. Math Review, Vocabulary, and Symbols 
Getting Started 
 
Common Terms and Symbols in Statistics 
 
Fundamental Rules and Procedures for Statistics 
 
More Rules and Procedures 
 
 Module 2. Measurement Scales 
What Is Measurement? 
 
Scales of Measurement 
 
Continuous Versus Discrete Variables 
 
Real Limits 
 
 
PART II. TABLES AND G...
![MED/SURG CARDIOVASCULAR EXAM](/docpics/3783439/6549d26b2415a_3783439_121_171.jpeg)
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MED/SURG CARDIOVASCULAR EXAM
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Which of the EKG findings is most likely indicative of Acute Myocardial Infarction (AMI) in a patient presenting with acute chest pain? 
A. Wide and bizarre QRS complexes in the EKG 
B. ST segment changes (STEMI or NSTEMI) in the EKG 
C. A saw-toothed pattern in the EKG saw-toothed pattern in the EKG 
D. Flat line in the EKG - Answer- B. ST segment changes (STEMI or NSTEMI) in the EKG 
 
To determine whether there is a delay in impulse conduction through the atria, the nurse will measure the len...
![Nurs 3000 Final Questions With Complete Solutions](/docpics/5291450/664297543e415_5291450_121_171.jpeg)
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Nurs 3000 Final Questions With Complete Solutions
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When analyzing the waveforms of a client's electrocardiogram (ECG), the nurse will need to investigate further upon assessing which of the following findings? 
a. A P-R interval of 0.18 seconds 
b. A QRS interval of 0.14 seconds 
c. Q-T interval of 0.34 seconds 
d. T wave of 0.16 seconds Correct Answer-QRS interval of 0.14 second 
 
Unconsciousness without response to painful stimuli is assessed in a client with a head injury who has been admitted to the emergency department. To promote cerebra...
![ANCC Risk mgt / ethics / research Exam 93 Questions with Verified Answers,100% CORRECT](/docpics/3677079/65363a9508f6a_3677079_121_171.jpeg)
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ANCC Risk mgt / ethics / research Exam 93 Questions with Verified Answers,100% CORRECT
- Exam (elaborations) • 18 pages • 2023
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ANCC Risk mgt / ethics / research Exam 93 Questions with Verified Answers 
 
 
What are some systematic components to reducing risk? 
What does it begin with? - CORRECT ANSWER Begins with a formal written plan 
-organizational goals 
-delineation of program scope, components, methods 
-delegating responsibility for implementation and enforcement 
-commitment of the board 
-guarantees of confidentiality and immunity for those who squeal 
 
goals -> scope/methods -> delegation -> board b...
![CCRN practice exam 2023 with 100% correct answers](/docpics/3631320/652d2af3dc1e4_3631320_121_171.jpeg)
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CCRN practice exam 2023 with 100% correct answers
- Exam (elaborations) • 71 pages • 2023
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Ashman phenomenon is a predisposition for aberrancy when which of the following occurs? 
 
A. 
A long P-P interval is followed by a short P-P interval. 
 B. 
A short P-P interval is followed by a long P-P interval. 
 C. 
A short R-R interval is followed by a long R-R interval. 
 D. 
A long R-R interval is followed by a short R-R interval. - correct answer D 
Ashman phenomenon occurs when a short cycle follows a long cycle. Refractory periods are related to cycle length. When a short cycle follo...
![ECG Strip Interpretation with Certified Solutions](/docpics/3739184/654187ef6d850_3739184_121_171.jpeg)
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ECG Strip Interpretation with Certified Solutions
- Exam (elaborations) • 106 pages • 2023
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ECG Strip Interpretation with Certified Solutions 
Normal PR segment length 0.12 - 0.2 sec 3 - 5 small boxes 
Normal QRS interval 0.06 - 0.1 sec 1 - 3 small boxes 
Normal P amplitude & duration < 0.12 sec (3 small boxes) < 0.25 mV (2.5 small boxes) 
causes of arrhythmias 
HISDEBS: hypoxia, ischemia/irritability, SNS, drugs, electrolytes, bradycardia, stretch (hypertrophy/enlargement) 
symptoms of arrhythmias none, "palpitations," light-headedness, syncope, angina, HF, sudden death 
Arrhy...
![ECG Lead System Questions And Answers With Complete Solutions](/docpics/3692676/6538e4a020362_3692676_121_171.jpeg)
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ECG Lead System Questions And Answers With Complete Solutions
- Exam (elaborations) • 16 pages • 2023
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Electrocardiogram (ECG) correct answer: Since you can't see the heart beating we use a ECG to provide a picture that replicates the actual cardiac issue. 
 
Myocardial Infraction (MI) correct answer: Heart Attack 
 
-Have abnormal rhythms. 
-Death of cardiac muscle due to ischemia 
 
Doe the ECG machine monitor or control the hearts rhythm? correct answer: Only monitors 
 
Straight line when machine is turned on but not connected to the patient correct answer: Isoelectric = no current 
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