Duration of qrs complex Study guides, Class notes & Summaries
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NURS 480 Week 2 Test 1 Study Guide 2024 A+ Graded.
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NURS 480 Week 2 Test 1 Study Guide 2024 A+ Graded. 
Nurs 480: Week 2, Test 1 Study Guide 
1. Characteristics of V- Fib and Vtach 
VFIB 
• no pulse 
• not breathing 
• HR is not measurable 
• Rhythm is irregular and chaotic 
• The P wave is not visible and the P-R interval and the QRS interval are not measurable 
VTach 
• Rate: 150-250 beats/minute 
• can have a pulse or may not 
o FIRST THING TO DO: CHECK FOR A PULSE 
o if no pulse get the defib right away (PICK DEFIB RATHER THAN C...
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NURS 480 Week 2 Test 1 Study Guide 2024 A+ Graded.
- Exam (elaborations) • 20 pages • 2024
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NURS 480 Week 2 Test 1 Study Guide 2024 A+ Graded. 
Nurs 480: Week 2, Test 1 Study Guide 
1. Characteristics of V- Fib and Vtach 
VFIB 
• no pulse 
• not breathing 
• HR is not measurable 
• Rhythm is irregular and chaotic 
• The P wave is not visible and the P-R interval and the QRS interval are not measurable 
VTach 
• Rate: 150-250 beats/minute 
• can have a pulse or may not 
o FIRST THING TO DO: CHECK FOR A PULSE 
o if no pulse get the defib right away (PICK DEFIB RATHER THAN C...
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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...
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American Red Cross ACLS Final Exam (Latest 2023/2024) Verified Answers by Expert.
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American Red Cross ACLS Final Exam (Latest 2023/2024) Verified Answers by Expert. 
 
A patient is in cardiac arrest. The cardiac monitor shows asystole. In addition to providing continuous high-quality CPR, what is the other priority intervention for this patient? Administering epinephrine as early as possible 
 
A patient has experienced return of spontaneous circulation (ROSC) after cardiac arrest. The healthcare team is conducting a secondary assessment to determine the possible cause of ...
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NURS 480 Week 2 Test 1 Study Guide 2024 A+ Graded.
- Exam (elaborations) • 20 pages • 2024
-
- $12.99
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NURS 480 Week 2 Test 1 Study Guide 2024 A+ Graded. 
Nurs 480: Week 2, Test 1 Study Guide 
1. Characteristics of V- Fib and Vtach 
VFIB 
• no pulse 
• not breathing 
• HR is not measurable 
• Rhythm is irregular and chaotic 
• The P wave is not visible and the P-R interval and the QRS interval are not measurable 
VTach 
• Rate: 150-250 beats/minute 
• can have a pulse or may not 
o FIRST THING TO DO: CHECK FOR A PULSE 
o if no pulse get the defib right away (PICK DEFIB RATHER THAN C...
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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...
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Basic Cardiac Rhythm Interpretation Advanced Exam Review Update 2023-2024 A+
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Basic Cardiac Rhythm Interpretation 
Advanced Exam Review Update A+ 
1 / 22 
P Wave 
Atrial Depolarization stimulated by the firing of the 
SA node. 
Evaluate: consistent appearance and 1:1 relationship with QRS complex. 
If not identical some, or all, 
may be atrial, but not SA 
node, in origin. 
IF >1 P-wave precedes 
QRS a heart block may be 
present. 
Basic Cardiac Rhythm Interpretation 
Advanced Exam Review Update A+ 
2 / 22 
PR Interval 
Impulse traveling time 
from the atriu...
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CARDIAC- TELEMETRY EXAM QUESTIONS AND ANSWERS
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Along what axis is time measured in an EKG paper? - Answer-across a horizontal axis 
 
What does each small square on an EKG strip represent? - Answer-1 mm in length 
0.04 seconds 
 
What does each large square on an EKG strip represent? - Answer-5 mm in length 
0.2 seconds 
 
How can a regular rhythm be calculated on an EKG strip? - Answer-when the rhythm is regular, the heart rate is 250 divided by the number of large squares between the QRS complexes 
 
I.e. 
3 large squares between regular Q...
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Exam 1 ECG Fundamentals Questions With Complete Solutions
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Automaticity correct answer: Ability to initiate an impulse at a regular interval; "pacemaker" 
 
Excitability correct answer: Ability of the heart to respond to a stimulus 
 
Conductivity correct answer: Ability of the heart to transmit an electrical impulse from one cell membrane to another 
 
Contractility correct answer: The ability of the heart muscle cells to shorten in response to an electrical stimulus 
 
Refractoriness correct answer: "Resistant to"; cannot respond to a stimulu...
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ECG- Post test questions 1-90 With Complete Solutions
- Exam (elaborations) • 13 pages • 2023
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A branch of the _______________ supplies the right atrium and right ventricle with blood. correct answer: right coronary artery (RCA) 
 
Stimulation of parasympathetic nerve fibers typically results in which of the following actions? correct answer: Slowed conduction through the atrioventricular (AV) node 
 
The contribution of blood that is added to the ventricles and results from atrial contraction is called correct answer: atrial kick. 
 
Which of the following are semilunar valves? correc...
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