Av node rate 40 60 bpm Study guides, Class notes & Summaries
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UCLA EKG Test Questions And Answers All Verified
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UCLA EKG Test Questions And Answers, All Verified 
 
AV node rate 
40-60 bpm 
 
 
SA node rate 
60-100 bpm 
 
 
Purkinje fibers rate 
20-40 bpm 
 
 
PR interval is from _ to _? 
beginning of P wave to beginning of Q wave 
 
 
QRS interval is from _ to _? 
beginning of Q to end of S 
 
 
QT interval is from _ to _? 
beginning of Q to end of T 
 
 
PR interval normal duration 
0.12-0.20 s 
 
 
QRS normal duration 
0.04-0.12 s 
 
 
QT interval normal duration 
0.36-0.44 
 
 
Normal Sinus Rhythm (N...
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Relias Dysrhythmia Basic Test Answers Solution guide 2023.
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Relias Dysrhythmia Basic Test Answers 
 
normal sinus rhythm 
heart rhythm originating in the sinoatrial node with a rate in patients at rest of 60 to 100 beats per minute 
 
Sinus Arrhythmia 
Appearance is ALMOST NORMAL: 
Respiratory – Circulatory interaction 
Rate INCREASES with INSPIRATION (IN=IN) 
 
Sinus Bradycardia 
<60 
normal sinus rhythm 
 
Sinus Tachycardia 
>100 (100-150) 
normal sinus rhythm 
 
Premature Atrial Contraction (PAC) 
Heart Rate: Depends on underlying rhythm ...
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CARDIAC HEALTHSTREAM TELEMETRY EXAM Q & A 2023/2024
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CARDIAC HEALTHSTREAM TELEMETRY 
EXAM Q & A 2023/2024 
Normal Conduction System - CORRECT ANSWER--SA Node = Primary Pacemaker of 
the Heart, rate of 60-100 bpm 
-Internodal Pathways = Pathways connecting SA Node and AV Node 
-AV Node = Backup pacemaker, rate of 40-60 bpm 
-Bundle of His = splits nerve fibers down Left & Right Sides, His-Purkinje is conduction 
system of heart 
-L & R Bundle Brancehs = lead to left & right of the myocardium 
-Purkinje Fibers / Network = ends of the muscle, last...
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PCT NHA EXAM WITH 100% CORRECT ANSWERS 2024/2025
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PCT NHA EXAM WITH 100% CORRECT 
ANSWERS 2023 
1. The lavender-topped tube contains: 
a. No additive 
b. SPS 
c. Na+ citrate 
d. EDTA - Correct answer-d. EDTA 
1. The additive in a gray-topped tube is: 
a. K+ oxalate 
b. Na+ citrate 
c. EDTA 
d. None of the above - Correct answer-a. K+ oxalate 
1. Which of the needle has the largest gauge? 
a. 16 g 
b. 20 g 
c. 21 g 
d. 25 g - Correct answer-a. 16 g 
1. Which of the following gauge needle is used for the typical adult venipuncture? 
a. 23 g 
b. 1...
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UCLA EKG Test QUESTIONS AND ANSWERS
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QUESTIONS AND ANSWERS
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CASAL II OA LATEST 2023 WITH CORRECT SOLUTIONS
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SA node correct answers pacemaker, 60-100bpm,Depolarization R atria, p wave, 
 
AV node correct answers Gatekeeper, intraseptal, Allows delay for blood so no back up, 40-60 bpm 
 
Bundle of His correct answers Intraventricular, 40-60bpm, sends to purkinje fibers for ventricular depolarization 
 
L and R bundle branches correct answers 20-40bpm, 
 
Purkinje fibers correct answers 20-40bpm, ventricular depolarization (QRS) complex 
 
Preload correct answers LVEDP determined by LVEDV 
 
Afterload c...
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Advent Health EKG Questions and Answers Rated A
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Advent Health EKG Questions and Answers Rated A 
Afib The impulse originates in the Atria • The Atrial rate is > 300 and unable to measure [N/A] • No discernable P waves - PRI & Atrial rhythm cannot be measured [N/A] • The Ventricular rhythm is irregular • QRS within normal limits • If the Ventricular rate is <100 the rhythm is controlled A-fib; if the Ventricular rate is > 100 the rhythm is uncontrolled A-fib • This is a chronic rhythm for some patients Treatment: controlle...
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PCT NHA Exam Questions and answers, 100% Verified. Graded A
- Exam (elaborations) • 23 pages • 2023
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PCT NHA Exam Questions and answers, 100% Verified. Graded A 
 
 
1. The lavender-topped tube contains: 
a. No additive 
b. SPS 
c. Na+ citrate 
d. EDTA - -d. EDTA 
 
1. The additive in a gray-topped tube is: 
a. K+ oxalate 
b. Na+ citrate 
c. EDTA 
d. None of the above - -a. K+ oxalate 
 
1. Which of the needle has the largest gauge? 
a. 16 g 
b. 20 g 
c. 21 g 
d. 25 g - -a. 16 g 
 
1. Which of the following gauge needle is used for the typical adult venipuncture? 
a. 23 g 
b. 16 g 
c. 21 g 
d....
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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...
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Dysrhythmias NURS 480 Exam 1 Questions With Complete Solutions
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What is the route of depolarization? Correct Answer-SA node -> AV node -> His - Purkinje system -> Ventricles 
 
At what rate is the SA node firing? Correct Answer-60 - 100 BPM 
 
At what rate is the AV node firing? Correct Answer-40 - 60 BPM 
 
At what rate is the Bundle of His firing? Correct Answer-20 - 40 BPM 
 
If a patients PR segment is elongated, what might the nurse suspect? Correct Answer-a possible heart block 
 
What is a 12-lead ECG? Correct Answer-twelve electrical views o...
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