Rate of av node - Study guides, Class notes & Summaries

Egan's Chapter 18 ECG Exam Questions & Answers Already Passed Which node is the "backup" pacemaker? - AV node When should a ECG be obtained? - Patient has signs and symptoms of: MI & CHF Assessment tool to help determine pt's general health. Screening tool - pre-op surgery Hx of heart disease The resting ECG does reflect the pumping ability of the heart or the likelihood that the patient may have a myocardial infarction in the near future. - False Myocardial infarction, ventricular ...

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...

Excitability - Answer- the ability of non-pacemaker heart cells to respond to an electrical impulse that begins in pacemaker cells. Depolarization - Answer- occurs when the normally negatively charged cells within the heart muscle develop a positive charge. Conductivity - Answer- the ability to send an electrical stimulus from cell membrane to cell membrane. As a result, excitable cells depolarize in rapid succession from cell to cell until all cells have depolarized. Ex: the wave of depolarizat...

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...

EKG Certification Exam Questions & Answers 2024 Left Ventricular Hypertrophy - ANSWER-R wave in V5 is increased and S wave in V1 is increased Both are added together and should be greater than 35 mm Describe the placement of the V5 Lead - ANSWER-5th intercoastal space halfway between V4 and V6 on the L side of the heart _________is when the PR interval becomes longer and longer until a beat is skipped - ANSWER-2nd Degee AV block: Mobitz 1 What does Systolic blood pressure mean? - ...

NSG 531 Rush Advanced Pharmacology: Exam 3 Questions With Correct Answers Latest Updated 2024/2025 / Graded A+. what is the difference between cardiac myocyte action potential and that of the CNS or ANS? - ANSWER nerve cell action potential is very short cardiac action potential is much longer they are longer to have adequate filling time in order to get a good contraction for a reasonable bolus of blood the only way this can happen is if the action potential is longer this will also mean ...

ATI PN PHARMACOLOGY PROCTORED EXAM A nurse is administering subcutaneous heparin to a client who is at risk for deep vein thrombosis. Which of the following actions should the nurse take? 1. Administer the medication into the client's abdomen. 2. Inject the medication into a muscle. 3. Massage the site after administering the medication. 4. Use a 22-gauge needle to administer the medication. A nurse is providing teaching to a client who has a urinary tract infection and new ...

CALAOMS EXAM QUESTIONS WITH COMPLETE SOLUTIONS LATEST UPDATED 2024 (GRADED) Another name for the Sympathetic Nervous System is the Cholinergic System. True or False? - Answer False Name the two systems that comprise the autonomic nervous system: - Answer Parasympathetic and sympathetic The heart is divided into _____ chambers. The upper chambers are called _____ while the lower chambers are called _____. - Answer 4, atria, ventricles Continue the pathway of the blood flow: From the lungs w...

TEST BANK - ALL ATI MED SURG PROCTORED EXAM 2019 CARDIOVASCULAR HEALTH STUDY GUIDE QUESTIONS AND ANSWERS (100%CORRECT). ATI MED SURG PROCTORED EXAM 2019 – CARDIO STUDY GUIDE A nurse is performing discharge teaching with a client who has an implantable cardioverter defibrillator (ICD) placed. Which client statement indicates effective teaching? Correct response: • "I'll keep a log of each time my ICD discharges." The nurse is caring for a client scheduled for a transesophageal echoca...

Describe treatment of dysrhythmias correct answer: To determine if treatment is necessary, assess the patient. Then ask the following questions: Is he or she experiencing signs and symptoms of decreased cardiac output? Is the dysrhythmia potentially life threatening? If the answer to either of these questions is yes, the patient will need to treatment for the dysrhythmia. ***WE WILL DISCUSS TREATMENTS OF DYSRHYTHMIAS BASED UPON CURRENT ACLS TREATMENT ALGORITHMS CLINICAL MANIFESTATIONS ...