Third degree av block - Study guides, Class notes & Summaries
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CCT - Practice Test Questions with Verified Solutions
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CCT - Practice Test Questions with 
 
Verified Solutions 
 
1. Which heart chamber functions to pump deoxygenated blood to the lungs? 
a. Right atrium 
b. Right ventricle 
c. Left atrium 
 
d. Left ventricle 1. B: The right ventricle pumps the deoxygenated blood it has received from 
the right atrium to the lungs. The right atrium pumps deoxygenated blood from the body to the 
right ventricle. The left atrium pumps oxygenated blood from the lungs to the left ventricle. The 
left ventricle pumps ...
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EKG Test Updated Questions &Answers (100% Correct) 2023/2024
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EKG Test Updated Questions &Answers (100% Correct) 2023/2024 
 
AV dissociation is a hallmark of 
Select one: 
 a. First-degree AV block. 
 b. Mobitz I second-degree AV block (Wenckebach). 
 c. Mobitz II second-degree AV block. 
 d. Third-degree AV block. Correct Answer: Third-degree AV block.. 
 
In third-degree AV block, the site of the block is either the 
Select one: 
 a. Sinus node or the internodal tracts. 
 b. AV node or the Purkinje fibers. 
 c. Bundle branches or the AV node. 
 d. Sinu...
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DYSRHYTHMIAS NCLEX PRACTICE QUESTIONS AND ANSWERS
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The nurse is caring for an older adult client experiencing syncope, generalized weakness, and dyspnea. Which dysrhythmia should the nurse suspect the client is experiencing? (Select all that apply.) 
 
First-degree AV block 
 
Third-degree AV block 
 
Mobitz I second-degree AV block 
 
Mobitz II second-degree AV block 
 
Sinus arrhythmia - Answer-Third-degree AV block 
 
Mobitz I second-degree AV block 
 
Mobitz II second-degree AV block 
 
Mobitz I second-degree AV block, Mobitz II second-degre...
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BKAT ICU Post Test 2023 (solved)
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Nitroprusside purpose - Answer- decreases preload and afterload by vasodilation (mainly afterload) 
 
Dobutamine mechanism of action - Answer- contractility 
 
Dopamine at a low-end dose "renal dose" - Answer- 0.5-4mcg/kg/min 
increases renal and mesentric perfusion 
 
Dopamine at a mid-range dose - Answer- 4-10mcg/kg/min 
increases contractility and heart rate 
 
Dopamine at a high-range dose - Answer- greater than 10mcg/kg/min 
vasoconstriction and increases BP 
 
Dopamine and Levophed inf...
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SHARP ESO Grossmont Exam Questions and Verified Answers| 100% Correct| Grade A (Latest 2024/ 2025)
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SHARP ESO Grossmont Exam Questions and Verified Answers| 100% Correct| Grade A (Latest 2024/ 2025) 
 
Q: what is asystole 
 
 
Answer: 
absence of ventricular activity and contraction, no pulse 
 
 
 
Q: asystole treatment 
 
 
Answer: 
CPR 100-120 (2 min) 
o2 15L/min via ambu bag (10 breaths/min) 
epi at 1 mg ivp/io (epi .1mg/ml) repeat every 3-5 minutes 
repeat CPR/EPI of no signs of ROSC 
 
transcutaneous pacing NOT recommended 
 
 
 
Q: define bradycardia 
 
 
Answer: 
HR less than 50 beats...
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Prophecy EKG Exam With 100% Correct Answers 2023
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Prophecy EKG Exam With 100% Correct 
Answers 2023 
Normal sinus rhythm - Correct Answer-Regular 
Rate: 60-100 
P Wave: Present, upright 
PR Interval: 0.12-0.20 sec 
QRS: <0.12 sec 
Sinus Bradycardia - Correct Answer-Regular 
Rate: <60 
P Wave: Present, upright 
PR Interval: 0.12-0.20 sec 
QRS: <0.12 sec 
Sinus Tachycardia - Correct Answer-Regular 
Rate: 100-150 
P Wave: Present, upright 
PR Interval: 0.12-0.20 sec 
QRS: <0.12 sec 
Premature Atrial Contraction - Correct Answer-IRREGUL...
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EKG Test Exam Questions And Answers With 100% Correct Answers
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EKG Test Exam Questions And Answers 
With 100% Correct Answers 
AV dissociation is a hallmark of 
Select one: 
a. First-degree AV block. 
b. Mobitz I second-degree AV block (Wenckebach). 
c. Mobitz II second-degree AV block. 
d. Third-degree AV block. - answerThird-degree AV block.. 
In third-degree AV block, the site of the block is either the 
Select one: 
a. Sinus node or the internodal tracts. 
b. AV node or the Purkinje fibers. 
c. Bundle branches or the AV node. 
d. Sinus node or the AV no...
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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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Relias Dysrhythmia Basic A 2023 with 100% correct questions answers
- Exam (elaborations) • 6 pages • 2023
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Normal sinus rhythm 
Regular 
Rate: 60-100 
P Wave: Present, upright 
PR Interval: 0.12-0.20 sec 
QRS: <0.12 sec 
 
 
 
Sinus Bradycardia 
Regular 
Rate: <60 
P Wave: Present, upright 
PR Interval: 0.12-0.20 sec 
QRS: <0.12 sec 
 
 
 
Sinus Tachycardia 
Regular 
Rate: 100-150 
P Wave: Present, upright 
PR Interval: 0.12-0.20 sec 
QRS: <0.12 sec 
 
 
 
Premature Atrial Contraction 
IRREGULAR 
Rate: depends on underlying rhythm 
P wave: Present or hidden in T wave 
PR Interval: 0.12-0....
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CCRN QUESTIONS / CCRN EXAM LATEST 2023-2024 ACTUAL EXAM
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CCRN QUESTIONS / CCRN EXAM LATEST ACTUAL EXAM 
A 55-year-old man has had an anterior myocardial infarction. He developed a third-degree AV heart block and required insertion of a temporary transvenous pacemaker. The pacemaker is functioning in VVI mode. The rhythm strip shows pacing spikes landing indiscriminately in relation to the patient's inherent rhythm. Which of the following would be the best action to correct the situation? - ANSWER-Increase the sensitivity 
A patient is at the highest...
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