Duration of p wave Study guides, Class notes & Summaries
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Exam 1: NSG223/ NSG 223 (New 2024/ 2025 Update) Med Surg 2 Exam| Questions and Verified Answers| 100% Correct| Graded A- Herzing
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Exam 1: NSG223/ NSG 223 (New 2024/ 2025 
Update) Med Surg 2 Exam| Questions and 
Verified Answers| 100% Correct| Graded A- Herzing 
 
 
QUESTION 
 
What is the PR Interval 
The PR interval is measured from the beginning of the P wave to the beginning of the QRS 
complex. It represents the time needed for sinus node stimulation, atrial depolarization, and 
conduction through the AV node before ventricular depolarization 
 
 
 
QUESTION 
 What is the ST Segment 
 
 
Answer: 
The ST segment, w...
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Test Bank for Women's Health Care in Advanced Practice Nursing, Second Edition by Alexander ISBN:9780826190017| All chapters| Complete Guide A+
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Test bank For Women's Health Care in Advanced Practice Nursing 2nd Edition by Ivy M Alexander | 2017/2018 | 9780826190017 | Chapter 1-46 | Complete Questions and Answers A+ Chapter 1 Women and Their Health The United States ranks 50th in the world for maternal mortality and 41st among industrialized nations for 1. infant mortality rate. When developing programs to assist in decreasing these rates, which factor would most likely need to be addressed as having the greatest impact? A) Resolving al...
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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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ECG Strip Interpretation EXAM(470 QUESTIONS WITH VERIFIED EXPERT SOLUTIONS 2024
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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 
 
 
 
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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...
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ECG Lead System Questions And Answers With Complete Solutions
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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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ECG Strip Interpretation with Certified Solutions
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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...
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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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EKG Kaiser Study Guide questions 2024 latest update(fully solved & verified)
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Cardiac Conduction Pathway System 
SA node> AV node> Bundle of His> Left and Right bundle branches> Purkinjie fibers 
 
 
Pacemakers of the heart Natural: SA Node = 60-100 beats/minute 
 Backup: AV Node = 40-60 beats/minute 
 Backup: Purkinje Fibers (ventricles) = 20-40 beats/minute 
 
 
 
 
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SA Node 
• Intrinsic Pacemaker of the heart 
• Rate 60-100 beats/min 
• RA (Right Atrium), close to SVC (Superior Vena Cava) 
• Blood supply from RCA (Right Coro...
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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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