Third degree av block Study guides, Class notes & Summaries

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...

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 ...

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...

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...

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...

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 ...

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...

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....

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...

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...