Ekg practice test with answers quizlet

Quiz yourself with questions and answers for EKG practice test 3, so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material.

1. be sure to eat a light meal 6 to 8 hours before the test. 2. wear tight clothes around the lower abdominal area so the electrodes stay in place. 3. refrain from caffeine, smoking, or alcohol at least 3 hours prior to the test. 4. the procedure should take about 10 to 15 minutes. 3. refrain from caffeine, smoking, or alcohol at least 3 hours ... Choose 2 correct answers.) a) Patient has had a left-sided mastectomy. b) Patient is 8 years old. c) Patient has dextrocardia. d) Patient is 8 months old. e) Patient is suspected of having an occluded circumflex artery. C & D. A patient is nearing the target heart rate during an exercise stress test when he becomes diaphoretic and complains of ...Study with Quizlet and memorize flashcards containing terms like which of the following is the most effective technique for an EKG technician to use and verify that a patient understands the Holter monitor instructions, an EKG technician is performing a second standard 12-lead EKG on a patient immediately following the first test. for which reasons should the technician recognize that resting ... 1. be sure to eat a light meal 6 to 8 hours before the test. 2. wear tight clothes around the lower abdominal area so the electrodes stay in place. 3. refrain from caffeine, smoking, or alcohol at least 3 hours prior to the test. 4. the procedure should take about 10 to 15 minutes. 3. refrain from caffeine, smoking, or alcohol at least 3 hours ... These cards are to help you study for an EKG certification test Learn with flashcards, games, and more — for free.How do I use a coping saw? Visit HowStuffWorks.com to learn how to use a coping saw. Advertisement Using a coping saw is a practical way to cut detailed shapes and curves into wood...junctional rhythm. asystole. Study with Quizlet and memorize flashcards containing terms like What does the QRS for tachycardia (MINUS V tach and V fib) look like?, What does the regularity for sinus tachycardia, SVT, a-flutter, and junctional tachycardia look like?, What are the different types of tachy rhythms? and more.

Apr 30, 2013 · Leads V1 through V6 are collectively known as. (Hint: Chest) Aorta. What is the main artery in the arterial system? (Hint: It carries oxygenated blood to the heart and other parts of the body.) Heart to the Left Arm. aVL picks up from the center of the ___ to the ___ ___. (Add "to the" in your answer.) Augmented Leads. R-R interval. Using the tracing below, measure the PR interval in seconds. (You would count the number of small boxes from the beginning of the P wave to the end of the PR segment and multiply that number by .04 to give you an answer in seconds. For milliseconds, take the answer in seconds and move the decimal 3 spaces to the right.Choose 2 correct answers.) a) Patient has had a left-sided mastectomy. b) Patient is 8 years old. c) Patient has dextrocardia. d) Patient is 8 months old. e) Patient is suspected of having an occluded circumflex artery. C & D. A patient is nearing the target heart rate during an exercise stress test when he becomes diaphoretic and complains of ... The fifth intercostal space at the midclavicular line. Don't know? 100 of 100. Quiz yourself with questions and answers for NHA CET Practice Test 2.0 A, so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material. Nursing Exam 4 Practice Freshman 2023 CCC Capital Community College. 96 terms. Profile Picture · crjf74ztkw. Preview. Foundations HESI Review. 66 terms. Profile ...The EKG practice tests provide a fast and interactive method for EKG heart rhythm strip practice. Users are asked to interpret the EKG using a multiple choice format. Immediate feedback is available after answering each question. These EKG practice tests with answers can be used on desktops, tablets and smartphones.We would like to show you a description here but the site won’t allow us.

Study with Quizlet and memorize flashcards containing terms like Coarse Ventricular Fibrillation, Sinus bradycardia, Atrial fibrillation and more. ... (Exam 3) 84 terms. awag121. Preview. Diuretics. 21 terms. martinezi112. Preview. EKG Sinus & Atrial Arrhythmias . 46 terms. Jen_and_Alicia. Preview. cardiology final exam study guide . 56 terms ...NHA EKG practice test quesitons. Get a hint. An ekg tech is preparing a patient for a holter monitor placement. Which of the following actions should the tech take to reduce the chance of artifact? Click the card to flip 👆. The tech can use stress loops to relieve tension on leads. Click the card to flip 👆.myocardial infarction. - occurs when one of the coronary arteries becomes totally occluded. - the region of myocardium supplied by that artier loses its blood supply, becomes deprived of oxygen and other nutrients and dies. diagnosing an MI. - H&P. - cardiac enzymes. - EKG. symptoms of MI. - crushing substernal chest pain.Job duties for the EKG Technician may include: All of the above (Calculator, calipers, scissors) The equipment used by the EKG technician may include: Work with precision and accuracy. An EKG technician should be able to: 24-48 hours. Holter monitoring records cardiac rhythm for a time period of: Exercise.

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Study with Quizlet and memorize flashcards containing terms like Leads II, III AVF view what portion of the heart?, Normally a complete ECG consists of _____ leads., The basic contractile unit of amyofibril is the: and more. ... EKG Certification Mock Exam. 53 terms. bridget_elise82. Preview. EKG rhythms. 60 terms. MelFlan. Preview. Drug List ... Study with Quizlet and memorize flashcards containing terms like The patient complains of being lightheaded and feeling a "fluttering" in his chest. The nurse places the patient on the heart monitor and notices an atrial tachycardia at a rate of 160 beats/min. The patient's blood pressure has dropped from 128/76 mm Hg to 92/46 mm Hg but appears stable at the lower pressure. The nurse should a ... junctional escape HR? 40 - 60 bpm. accelerated junction HR? 60 - 100 bpm. junctional tachycardia HR? > 100 bpm. Study with Quizlet and memorize flashcards containing terms like what does each small box represent, what does 1 large box (5 small boxes) represent, what do 5 large boxes represent and more.Study with Quizlet and memorize flashcards containing terms like Atrial fibrillation, Ventricular fibrillation, Ventricular tachycardia and more. ... (Quiz 5) 37 terms. aerie1226. Preview. ECG Test. 35 terms. Claudia_Felix10. Preview. EKG/ECG Quiz. 38 terms. boxador_times_2. Preview. Cardiac Valves and Sounds. 33 terms. briiibri. Preview. CSP ...

2. QRS: 0.04 - 0.10 [normal limits] • P waves may be seen but are often lost in the T waves: Atrial rate, Atrial rhythm and. PRI is non-measurable [N/A] Atrial Flutter. The impulse originates in the Atria. • The Atrial rate is 250-350 and rhythm regular. • The PRI is not measurable (N/A) - Characteristic saw-tooth wave.junctional rhythm. asystole. Study with Quizlet and memorize flashcards containing terms like What does the QRS for tachycardia (MINUS V tach and V fib) look like?, What does the regularity for sinus tachycardia, SVT, a-flutter, and junctional tachycardia look like?, What are the different types of tachy rhythms? and more.what does ECG recording represents? electrical activity of the heart. what info does ECG provide? the heart and reveal conditions such as cardiomyopathy, mitral valve and MI. Study with Quizlet and memorize flashcards containing terms like What is ekg?, What does the ekg show?, What is angina? and more.Study with Quizlet and memorize flashcards containing terms like Normal Sinus Rhythm, Sinus Bradycardia, Sinus Tachycardia and more. ... (EKG) Teacher 25 terms. Amanda_Coggin. Preview. EKG rhythms. 60 terms. MelFlan. ... Iggy Study Guide Ch. 31: Concepts of Care for Patients with Dysrhythmias. 43 terms. Tiffany_Farrell62. Preview. …Study with Quizlet and memorize flashcards containing terms like Coarse Ventricular Fibrillation, Sinus bradycardia, Atrial fibrillation and more. ... (Exam 3) 84 terms. awag121. Preview. Diuretics. 21 terms. martinezi112. Preview. EKG Sinus & Atrial Arrhythmias . 46 terms. Jen_and_Alicia. Preview. cardiology final exam study guide . 56 terms ...If you want to learn the basics of nursing EKG, Quizlet has the perfect flashcard set for you. You can review terms like Asystole, Atrial fibrillation, Normal sinus rhythm with multifocal PVCs and more. You can also test your knowledge with interactive quizzes and games. Quizlet is a fun and effective way to study nursing EKG.a. A QRS complex >0.12 second followed by a P wave. b. Continuous wide QRS complexes with a ventricular rate of 160 bpm. c. P waves hidden in QRS complexes with a regular rhythm of 120 bpm. d. Saw-toothed P waves with no measurable PR interval and an irregular rhythm. Click the card to flip 👆. Answer: a.Shock to the heart to change the hearts rhythm. Both A and C. Both A and C. The term for three or more PVC's occurring in a row at a rate of more than 100 beats per minute is: A run of ventricular tachycardia. Ventricular trigiminy. A run of ventricular tachycardia. Study with Quizlet and memorize flashcards containing terms like Leads II, III ...Study with Quizlet and memorize flashcards containing terms like Which of the following is the electrode charge combination for the limb leads for a standard 12-lead EKG?, An EKG technician is reviewing the EKG tracing for a patient who has a pacemaker. The technician should recognize that which of the following alterations Is being recorded on the patient's rhythm strip?, An EKG technician is ...atrial flutter. Atrial fibrillation. 70 bpm, QRS 0.06. 1st degree heart block. 60 bpm, PR 0.36 second. Wenkebach (2nd degree heart block) Mobitz 2 (2nd degree heart block) PR 0.24. 3rd degree heart block.12 Lead Review #30 Answer. Study with Quizlet and memorize flashcards containing terms like 12 Lead Review #1, 12 Lead Review #1 Answer, 12 Lead Review #2 and more.

Job duties for the EKG Technician may include: All of the above (Calculator, calipers, scissors) The equipment used by the EKG technician may include: Work with precision and accuracy. An EKG technician should be able to: 24-48 hours. Holter monitoring records cardiac rhythm for a time period of: Exercise.

Total absence of electrical activity. 1st Degree AV Heart Block. - (Rate) Underlying rate may be slow, normal, or fast. -Underlying rhythm is usually regular. -P waves present and normal and all are followed by a QRS complex. -QRS complexes are normal. -PR intervals longer than 0.20 seconds and constant. 2nd Degree AV Heart Block, Type 1.NHA EKG practice test quesitons. Get a hint. An ekg tech is preparing a patient for a holter monitor placement. Which of the following actions should the tech take to reduce the chance of artifact? Click the card to flip 👆. The tech can use stress loops to relieve tension on leads. Click the card to flip 👆.DXI 3: Clock analogy practice + ... all of the answers are correct. d. all of the answers are correct ... "Your doctor has ordered this test, and it must be done."Lead V9. An EKG tech is performing a standard 12-lead EKG for a patient who has a below the knee amputation left leg. The tech should modify and document the lead placement for this patient in which of the following ways? Place the lower extremity lead on the left groin. An EKG tech is preparing a patient for an exercise stress test.ECG (EKG) examples and quiz . For each of the questions below a short clinical scenario is given followed by the 12-lead ECG. Review the ECG (EKG), present it according to the structure in ECG interpretation and attempt a diagnosis before clicking on the plus symbol to see the answer. Question 1. A 35 year old man presents with palpitations.We want genetic tests to be like pregnancy tests, with clear yes-or-no answers. Instead, they're more like a weather report. AnneMarie Ciccarella, a fast-talking 57-year-old brunet...EKG Monitoring Quiz - 25 Questions. This EKG Monitoring Quiz provides real patient episodes, streamed on a virtual EKG monitor with dual signals. Each patient encounter is approximately one minute in length. EKG rhythm and event questions will be asked based on the patient encounters. Click the "Start Quiz" button below to get started.NHA NOW EKG Technician Practice Test | Quizlet. Test: NHA NOW EKG Technician Practice Test. 4.8 (97 reviews) Name: Score: 91 Multiple choice questions. Term. Which of the following EKG machine functions should an EKG technician use to control and regulate the height of EKG waveforms on the tracing? Speed. Output display. Artifact filter. Gain.

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Don't know? 20 of 20. Quiz yourself with questions and answers for EKG Practice Test, so you can be ready for test day. Explore quizzes and practice tests …Study with Quizlet and memorize flashcards containing terms like What does the P wave represent?, Define: Repolarization, Define: Depolarization and more. ... CH 9 Exam EKG - EDITED VER. 24 terms. Click_Here12. Preview. ATI Med Surg Proctored Exam. 98 terms. Noke_Tjiang3. Preview. cardiac conduction. 63 terms. Robin_Rohrer5. Preview. DCA …Study with Quizlet and memorize flashcards containing terms like A U wave usually occurs when, The ORS complex occurs when, On an EKG machine, the Standard checks and more. ... EKG exam- 12/14/23. 174 terms. HEYHEYHEY_541. Preview. EKG Review. Teacher 173 terms. smille007. Preview. 226-250. 20 terms. Peyton_Miller75. Preview. …Explore quizzes and practice tests created by teachers and students or create one from your course material. Scheduled maintenance: March 23, 2024 from 11:00 PM to 12:00 AM hello quizletStudy with Quizlet and memorize flashcards containing terms like normal sinus rhythm, Sinus Arrhythmia, Sinus Bradycardia and more. ... Prophecy EKG. 55 terms. gabbz524. Preview. CH 26 Drugs for HTN. 29 terms. Kevin_Brooks51. Preview. cardio quiz 12. 10 terms. kailey2497. ... Adult health exam 2 information (EGK slides) 123 terms. brspies1s ...An EKG technician is performing a 12-lead EKG for a patient who has dextrocardia. In which of the following locations should the technician place the electrode for lead v5? Right anterior axillary line, fifth inter coastal space. An EKG technician is reviewing and EKG tracing and noticed that the calibration mark measures 10mm high and 10mm wide.Study with Quizlet and memorize flashcards containing terms like During an exercise stress test, and EKG technician notices that the patient appears to be hyperventilating. What action should the technician take first?, An EKG technician is providing instructions to a patient who is to wear a cardiac event monitor at home. What statement by the patient …Study with Quizlet and memorize flashcards containing terms like What is the normal PR interval for an atrial fibrillation rhythm?, Which of the following measures the time from the start of atrial depolarization to the start of ventricular depolarization?, Which of the following is associated with sinus tachycardia? and more. ... Prophecy EKG ...A. angina at rest. B. acute myocardial infarction. C. severe hypertension. D. evaluation of chest pain in a patient with normal baseline EKG. Evaluation of chest pain in a patient with normal baseline EKG. These cards are to help you study for an EKG certification test Learn with flashcards, games, and more — for free.Are you preparing to take an EKG exam? If so, you’re likely feeling a bit of pressure to do well. After all, passing the exam is essential for anyone who wants to pursue a career i... ….

Study with Quizlet and memorize flashcards containing terms like Hypoglycemia and acute ischemic stroke can present similarly because: • A:both oxygen and glucose are needed for brain function. • B:the majority of stroke patients have a history of diabetes. • C:the most common cause of a stroke is hypoglycemia. • D:they are both caused by low levels of …If you want to learn the basics of nursing EKG, Quizlet has the perfect flashcard set for you. You can review terms like Asystole, Atrial fibrillation, Normal sinus rhythm with multifocal PVCs and more. You can also test your knowledge with interactive quizzes and games. Quizlet is a fun and effective way to study nursing EKG.Nov 8, 2021 · The EKG practice tests provide a fast and interactive method for EKG heart rhythm strip practice. Users are asked to interpret the EKG using a multiple choice format. Immediate feedback is available after answering each question. These EKG practice tests with answers can be used on desktops, tablets and smartphones. Weckenbach, 2nd Degree Mobutu 1. Where is the ground Lead in Lead II modified? Left, Upper Midclavicular. Study with Quizlet and memorize flashcards containing terms like The number of leads on a Holter monitor is?, How do you determine the regularity of Ventricular Depolarization?, On EKG tracing, how do you measure gain? and more.n. Study with Quizlet and memorize flashcards containing terms like A nursing home calls a cardiology office requesting that a transtelephonic pacemaker check be conducted on a new admission to the facility. The technician finds no medical record indicating that the patient has been followed by the practice.An EKG technician is reviewing an EKG tracing and notes asystole. Which of the following actions should the technician take first. Check the patient. An EKG technician is reviewing the EKG tracing of a patient who has a ventricular pacemaker and notes that the patient's heart rate is 76/min. The pacemaker is set to a rate of 70/min. 60 bpm (This rate is calculated using the 300 method, in which 300 is divided by the number of large boxes. 300/5=60. Study with Quizlet and memorize flashcards containing terms like A technician is performing an EKG in a hospital setting. The patient becomes unresponsive, stops breathing, and does not have a pulse. An EKG technician is performing a 12-lead EKG for a patient who has dextrocardia. In which of the following locations should the technician place the electrode for lead V5? Right anterior ancillary line, fifth intercostal space. An EKG technician is reviewing an EKG tracing and notices that the calibration mark measures 10 mm high and 10 mm wide. Ekg practice test with answers quizlet, Study with Quizlet and memorize flashcards containing terms like What action should be taken first when EKG tech notices the patient appears to be hyperventilating during an exercise stress test?, Patient is wearing cardiac event monitor at home. ... EKG PRACTICE EXAM 1. 62 terms. Jessica_Guzman328. Preview. OTA 1001 Ch. 2-8 Tests and ..., The fifth intercostal space at the midclavicular line. Don't know? 100 of 100. Quiz yourself with questions and answers for NHA CET Practice Test 2.0 A, so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material. , A-Fib. asystole. Atrial Flutter. Atrial Flutter. First Degree AV Block. Junctional Rhythm. Junctional Rhythm. PACs. Combined from multiple sources Learn with flashcards, games, and more — for free., EKG Monitoring Quiz - 25 Questions. This EKG Monitoring Quiz provides real patient episodes, streamed on a virtual EKG monitor with dual signals. Each patient encounter is approximately one minute in length. EKG rhythm and event questions will be asked based on the patient encounters. Click the "Start Quiz" button below to get started., To read an EKG practice test strip, begin by counting the number of QRS-complexes in a six-second interval and multiplying that number by 10 to determine the heart rate. Next, asse..., I've gotten lots of reader questions about Italy's reopening since I was one of the first tourists to visit Italy on a COVID-tested flight last month. Editor’s note: This is a recu..., T wave inversion with ST elevation on a 12-lead ECG is considered myocardial injury, acute injury pattern, or acute. Physiologic Q wave is normal and the width measures less than 0.04 second and the depth measures less than one-third of the height of the R wave in that lead. Pathologic Q wave indicates tissue death (infarction) and is defined ..., 93 of 93. Quiz yourself with questions and answers for NHA EKG practice test, so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material., Choose 2 correct answers.) a) Patient has had a left-sided mastectomy. b) Patient is 8 years old. c) Patient has dextrocardia. d) Patient is 8 months old. e) Patient is suspected of having an occluded circumflex artery. C & D. A patient is nearing the target heart rate during an exercise stress test when he becomes diaphoretic and complains of ..., The length of time taken by the atrial impulse to transverse the AV node and reach the ventricles is measured on the ECG as the: a.S-T segment b.QRS complex c.Q-T interval d.P-R interval, 15. A responder is caring for a patient with a history of congestive heart failure. The patient is experiencing shortness of breath, a blood pressure of 68/50 mmHg, and a heart rate of 190/min. The patient's lead II ECG is displayed here. Which best characterizes this patient's rhythm? D) Unstable supraventricular tachycardia. , Prophecy EKG. 4.7 (93 reviews). Flashcards · Learn · Test · Match ... Test review. 9 terms. Profile Picture · Lexi081705 ... Quiz 5. 89 terms. Profile P..., Prophecy EKG. 4.7 (93 reviews). Flashcards · Learn · Test · Match ... Test review. 9 terms. Profile Picture · Lexi081705 ... Quiz 5. 89 terms. Profile P..., 12 Lead utilizes a 10-wire ECG lead set that can monitor 12 ECG vectors (I, II, III, aVR, aVL, aVF, V1, V2, V3, V4, V5, and V6) simultaneously. • Place RA (white) electrode under the right clavicle, mid-clavicular line. within the rib cage frame. • Place LA (black) electrode under the left clavicle, mid-clavicular line. within the rib cage ..., junctional rhythm. asystole. Study with Quizlet and memorize flashcards containing terms like What does the QRS for tachycardia (MINUS V tach and V fib) look like?, What does the regularity for sinus tachycardia, SVT, a-flutter, and junctional tachycardia look like?, What are the different types of tachy rhythms? and more., Study with Quizlet and memorize flashcards containing terms like Normal Sinus Rhythm 1. Heart rate - what is the heart rate? 60-100 beats/min. 2. Rhythm - R to R intervals equal? Yes 3. P-waves - present, upright, all look the same, 1 P-wave before every QRS complex, P to P intervals equal Yes. 4. PR Intervals (PRI)- measure each PRI; all present, equal, …, Shock to the heart to change the hearts rhythm. Both A and C. Both A and C. The term for three or more PVC's occurring in a row at a rate of more than 100 beats per minute is: A run of ventricular tachycardia. Ventricular trigiminy. A run of ventricular tachycardia. Study with Quizlet and memorize flashcards containing terms like Leads II, III ..., Study with Quizlet and memorize flashcards containing terms like Hypoglycemia and acute ischemic stroke can present similarly because: • A:both oxygen and glucose are needed for brain function. • B:the majority of stroke patients have a history of diabetes. • C:the most common cause of a stroke is hypoglycemia. • D:they are both caused by low levels of …, Treatment for idioventricular rhythm/ventricular escape rhythm. Atropine, Epinephrine, Isoproterenol. transcutaneous pacing as a bridge to permanent pacemaker. Treatment for asystole. CPR and Epinephrine. Treatment for PEA. CPR and Epinephrine. Study with Quizlet and memorize flashcards containing terms like What drug is used to treat sinus ..., Verified answer vocabulary Through his political connections and strategic bribes, Si had become a mandarin who was known to provide good jobs and business deals to those who demonstrated ______ to him. A. fealty B. gist C. enmity D. status quo E. paucity., Preview. Study with Quizlet and memorize flashcards containing terms like a technician is preparing to perform a standard 12-lead ekg for a healthy adult patient. what position should the patient be in?, a technician is speaking with a patient on the phone. the patient is wearing a holter monitor and reports severe chest pain and shortness of ..., DXI 3: Clock analogy practice + ... all of the answers are correct. d. all of the answers are correct ... "Your doctor has ordered this test, and it must be done.", An EKG technician is performing a 12-lead EKG for a patient who has dextrocardia. In which of the following locations should the technician place the electrode for lead V5? Right anterior ancillary line, fifth intercostal space. An EKG technician is reviewing an EKG tracing and notices that the calibration mark measures 10 mm high and 10 mm wide., Study with Quizlet and memorize flashcards containing terms like normal sinus rhythm, sinus bradycardia, sinus tachycardia and more., Practice with over 200 12-lead ECG strips and their associated clinical histories, distributed in various quizzes and tests. ©2024 A. Ayer - ECG Quiz Antoine Ayer ECG Quiz is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License ., Left Arm, Black Lead. Don't know? 50 of 50. Quiz yourself with questions and answers for EKG - CMA Test, so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material., Study with Quizlet and memorize flashcards containing terms like A client's electrocardiogram strip shows atrial and ventricular rates of 80 complexes per minute. The PR interval is 0.14 second, and the QRS complex measures 0.08 second. The nurse interprets this rhythm is: A) Normal sinus rhythm B) Sinus bradycardia C) Sinus …, Quiz yourself with questions and answers for EKG practice test 3, so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material., Quiz yourself with questions and answers for EKG Practice exam, so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material., a CPCT is performing an EKG for a patient who is postop following a right leg, above the knee amputation. where should the electrode be placed? right lower abdomen. which of the following actions is appropriate when labeling specimens? labeling specimens at the time of collection in front of the patient., Study with Quizlet and memorize flashcards containing terms like sinus dysrhythmia, Sinus arrest, Wandering atrial pacemaker and more. ... Ex Test - EKG. 100 terms. joshf132. Preview. fruge cardiology test ch 23 disorders. 11 terms. ashley_moore774. Preview. chapter 34. 35 terms. zoeyyhoneyy. Preview. Phr15 week 1 drugs. 10 terms., P wave: upright, smooth, round and uniform shape, EXCEPT for the early beat, it will be inverted before or after the QRS or missing. PRI : 0.12 to 0.20 seconds normal in the underlying rhythm, <0.12 seconds in the early if it precedes the QRS. QRS: 0.06 to 0.10 seconds and all are uniform. QTI: 0.36 to 0.46 seconds., Job duties for the EKG Technician may include: All of the above (Calculator, calipers, scissors) The equipment used by the EKG technician may include: Work with precision and accuracy. An EKG technician should be able to: 24-48 hours. Holter monitoring records cardiac rhythm for a time period of: Exercise.