A wandering atrial pacemaker quizlet - Wandering can be caused by a single problematic source in your Jeep's steering, suspension, tires, or brakes. Some vehicles can wander so bad that it actually causes a pulling sens...

 
Cardiology Terminology. 7 terms. James-Gilliam. Preview. vital signs. 14 terms. Pricilarivas15. Preview. Study with Quizlet and memorize flashcards containing terms like The rhythm most often associated with chronic lung disease is, A PAC is a, Atrial tachycardia is characterized by and more.. Sci fi network schedule

rachel_beaudry. Start studying atrial and junctional rhythms. Learn vocabulary, terms, and more with flashcards, games, and other study tools.Second-degree heart block, Morbitz type 1. Multi focal atrial tachycardia is a rhythm similar to. Wandering atrial pacemaker. A series of junctional escape beats is known as. Junctional escape rhythm. When a heart beat is blocked, a P wave will appear on an EKG tracing without a related. QRS complex. Study with Quizlet and memorize flashcards ...Wandering atrial pacemaker (WAP) is a benign atrial arrhythmia observed in elderly patients suffering from obstructive pulmonary diseases that result from an …Second-degree heart block, Morbitz type 1. Multi focal atrial tachycardia is a rhythm similar to. Wandering atrial pacemaker. A series of junctional escape beats is known as. Junctional escape rhythm. When a heart beat is blocked, a P wave will appear on an EKG tracing without a related. QRS complex. Study with Quizlet and memorize flashcards ...Wandering atrial pacemaker (WAP) is a benign atrial arrhythmia observed in elderly patients suffering from obstructive pulmonary diseases that result from an ischemic heart. This report discusses WAP as observed in a patient who suffered an electrical injury. Keywords: wandering atrial pacemaker, voltage, electrical injury, …178 bpm. When performing a stress test on a 42-year-old patient, the earliest the test can be concluded is when the patient reaches a heart rate of. Put both the right and left on the torso, below the clavicle. An ECG technician is preparing to perform an ECG on a patient with a total left arm amputation. How should the technician place the arm ...Study with Quizlet and memorize flashcards containing terms like atrial kick, automaticity, ... wandering atrial pacemaker (WAP) a rhythm in which pacemaker site shifts between SA node, atria, and/or AV junction. WAP has a changing P-wave configuration with at least three variations in one lead.Both left and right atrium modulates ventricular filling through three components: a phase of reservoir or expansion during ventricular systole, a conduit phase during diastole, an...Sinus arrhythmias are those abnormal rates or rhythms that originate in the sinus node (the natural pacemaker of the heart) Ex: - sinus bradycardia. - sinus tachycardia. - sinus arrhythmia. - sinus arrest. - sinus exit block. A sinus arrest is when a sinus impulse ... fails to occur at its usual time. Cardiovascular Disease. 40 terms. Elena-Siers. Preview. Study with Quizlet and memorize flashcards containing terms like Key signs of Wandering Atrial Pacemaker, Key signs of Multiple Atrial Pacemaker, PAC stands for and more. Study with Quizlet and memorize flashcards containing terms like Rate, Rhythm, Pacemaker site and more.Sinus arrhythmias are those abnormal rates or rhythms that originate in the sinus node (the natural pacemaker of the heart) Ex: - sinus bradycardia. - sinus tachycardia. - sinus arrhythmia. - sinus arrest. - sinus exit block. A sinus arrest is when a sinus impulse ... fails to occur at its usual time. Wandering atrial pacemaker most characteristic feature is... P' waves that change in appearance, sometime as often as from beat to beat. Wandering atrial pacemaker needs at least ___ different P wave configurations! It’s the most common arrhythmia. Atrial fibrillation, or AFib, occurs when many unstable electrical impulses misfire, causing your atria to quiver erratically. AFib causes your heart to beat ...Atrial fibrillation. -Continuous, rapid firing of multiple automaticity foci in atria. -No normal p waves visible. -Wavy baseline. -Irregular ventricular rhythm. -Most common sustained arrhythmia. Atrial flutter. -Atrial rate ~250-350 bpm. -Rapid succession of identical, back-to-back atrial depolarization waves from a single abnormal re-entry ...Study with Quizlet and memorize flashcards containing terms like Rate:, Rhythm:, P wave: and more.Subclinical AF (SCAF) is associated with at least a two-fold increased risk of stroke and almost six-fold increased risk of progressing to clinical AF. National Center 7272 Greenvi...PR interval. 60 to 80. third-degree block. Identify the Right Atrium. Identify the aortic valve. Identify the rhythm. The type of permanent pacemaker that has two lead wires, one in the right atrium and one in the right ventricle is a (n) ________________sequential pacemaker. fibrillation.Wandering atrial pacemaker (WAP) is a benign atrial arrhythmia observed in elderly patients suffering from obstructive pulmonary diseases that result from an …250 to 350 beats per minute. What is the atrial rate in atrial flutter? Study with Quizlet and memorize flashcards containing terms like Myocardial infarction, valvular problems, neurological influences, Ectopic, the waveform has both positive and negative deflections on the ECG tracing. and more.Study with Quizlet and memorize flashcards containing terms like What is a Wandering Atrial Pacemaker?, What is the Heart Rate in a WAP?, What is the Rhythm in a WAP? …Wandering atrial pacemaker/ectopic tachycardia is the passive transfer of pacemaker sites to other latent pacemaker sites in the atria and AV junction. Often, more than one pacemaker will be active causing variation in RR interval and P wave morphology. …A wandering atrial pacemaker rhythm with a ventricular rate of 60 to 100 BPM may also be referred to as?We've all had a few genius ideas strike at random times, like when you're in the shower or making lunch. A new study from the University of California explains why this happens, an...Study with Quizlet and memorize flashcards containing terms like Which of the following rhythms is characterized by a narrow QRS, presence of multiple P wave shapes, irregularly irregular rhythm, variable PR interval, and a ventricular rate of 84 beats per minute? A. Atrial fibrillation B. Wandering atrial pacemaker C. Multifocal atrial tachycardia D. Complete heart block, The rhythm most ...Study with Quizlet and memorize flashcards containing terms like atrial dysrhythmias occur from conditions that cause pressure on the atria such as, atrial flutter occurs?, what dysrhythmia is simliar to wandering atrial pacemaker, but …Start studying wandering atrial pacemaker. Learn vocabulary, terms, and more with flashcards, games, and other study tools.CH 8 Pacemaker Rhythms. Atrioventricular (AV) interval. Click the card to flip 👆. In dual-chamber pacing, the length of time between an atrial sensed or atrial paced event and the delivery of a ventricular pacing stimulus; analogous to the PR interval of intrinsic waveforms; also called the artificial or electronic PR interval.What part of the ecg Represents the time from the start of atrial activity to the start of ventricular activity. What part of an ECG tracing is measured from the end of the S wave to the beginning of the T wave. It is normally on the isoelectric line. What wave on the ECG is not always seen and sometimes can indicate an electrolyte imbalance.Quizlet has study tools to help you learn anything. Improve your grades and reach your goals with flashcards, practice tests and expert-written solutions today. Myocardial. (A) pertaining to the heart. What is the rate of wandering atrial pacemaker rhythm? (A) 60 to 100 beats per minute. Which dysrhythmia is similar to wandering atrial pacemaker, except that the rate exceeds 100 beats per minute? (B) Multfocal atrial tachycardia. What is the major health risk for patients who have atrial fibrillation? Got some vocab words you need to learn? Try Quizlet, a free interactive learning tool. Got some vocab words you need to learn? Try Quizlet, a free interactive learning tool. Here's...What is a Wandering Atrial Pacemaker? When the pacemaker site shifts back and forth between the SA node and ectopic atrial sites. P Wave morphologies will "wander" between the multiple sites.When a wandering atrial pacemaker rhythm speeds up with a ventricular rate greater than 100, it is then called: paroxysmal SVT. You observe a patient in a normal sinus rhythm. The patient's heart rate increases to 180 maintaining a narrow complex. Within a few seconds, the rate returns to 70. This patient experienced.250 to 350 beats per minute. What is the atrial rate in atrial flutter? Study with Quizlet and memorize flashcards containing terms like Myocardial infarction, valvular problems, neurological influences, Ectopic, the waveform has both positive and negative deflections on the ECG tracing. and more.Study with Quizlet and memorize flashcards containing terms like RATE, RHYTHM, P WAVE and more. Study with Quizlet and memorize flashcards containing terms like RATE, RHYTHM, P WAVE and more. hello quizlet. Home. Subjects. Expert solutions. Log in. Sign up. WANDERING ATRIAL PACEMAKER. Share. Flashcards; Learn; Test; Match;An atrial myxoma is a noncancerous tumor in the upper left or right side of the heart. It most often grows on the wall that separates the two sides of the heart. This wall is calle...Study with Quizlet and memorize flashcards containing terms like Wandering Atrial Pacemaker (WAP), Multifocal Atrial Tachycardia (MAT), Premature Atrial Complex (PAC) and more.Nov 21. Written By The Visual Nurse. The wandering atrial pacemaker and multifocal atrial tachycardia: For our purposes, think of these two rhythms as one in the same. The …Study with Quizlet and memorize flashcards containing terms like Which resources must be available for a patient undergoing an invasive stress test ?, What is the minimum number of variations of the P wave in a wandering atrial pacemaker rhythm?, An ECG technician should recognize that the most likely cause of a PVC on an ECG strip is ? and more.Preview. Pharmacology 5-1: Heart Failure Treatment. 70 terms. kasidycarson. Preview. The characteristics of an atrial pacemaker and features that are shared by all rhythms originating in the atria.Sinus arrhythmia is lethal; wandering atrial pacemaker is benign. Sinus arrhythmia has a regular rhythm; wandering atrial pacemaker is irregular., Atrial fibrillation has _____. no P waves at all P waves with uniform shape sawtooth-shaped waves between the QRS complexes P waves of multiple shapes and more.Common Pacing Modes. AAI – Atrial pacing and sensing. If native atrial activity sensed then pacing is inhibited. If no native activity sensed for pre-determined …Study with Quizlet and memorize flashcards containing terms like 1) What medical conditions place pressure on the atria, ... Answer: A Explanation: The rate for wandering atrial pacemaker rhythm is within the normal limits of 60 to 100 beats per minute. 12) Which statement correctly describes the P wave in multifocal atrial tachycardia? A) ...Both wandering atrial pacemaker and multi focal atrial tachycardia have at least three different shapes of p waves. True. Blood clots in the atria are associated with atrial fibrillation. True. In atrial fibrillation, the flutter waves are regular. True. In SVT, the heart rate must be greater than 180. False.What is a Wandering Atrial Pacemaker? When the pacemaker site shifts back and forth between the SA node and ectopic atrial sites. P Wave morphologies will "wander" between the multiple sites.Wandering atrial pacemaker Flashcards | Quizlet. Rate. Click the card to flip 👆. Variable depending on the site of the pacemaker; usually 45-100/ bpm. Click the card to flip 👆. 1 / 5. …Study with Quizlet and memorize flashcards containing terms like Atrial dysrhythmia mechanisms (3), Key characteristics of atrial dysrhythmias, Wandering atrial pacemaker Cause Is it normal in any population? Related to any diseases or medications? and more.Study with Quizlet and memorize flashcards containing terms like The rhythm in which ALL atrial activity is depicted as chaotic undulations of the baseline is called: -atrial fibrillation -sinus tachycardia -atrial tachycardia -atrial flutter, The ventricular rate for PACs is defined as: -less than 10 bpm -greater than 100 bpm -depends on underlying rhythm -60-100 …Summary. Home Education Hypertrophic Cardiomyopathy for Professionals Hypertrophic Cardiomyopathy Pod...Wandering atrial pacemaker rhythm must have _____ or more differently shaphws intervals 3 When premature complexes occur in a rhythm, they interrupt the underlying rhythm, causing it to be ______ when analyzing it.A wandering atrial pacemaker is an atrial arrhythmia that occurs when the natural cardiac pacemaker site shifts between sinoatrial and atrioventricular nodes. …Study with Quizlet and memorize flashcards containing terms like Wandering Atrial Pacemaker, What is the rhythm like for WAP?, What's the rate like for WAP? and more.The rhythm most often associated w/ chronic lung disease is. Multifocal atrial tachycardia. A PAC is a. Premature beat from the atrium. Atrial tachycardia is characterized by. Abnormal P waves preceding the regular QRS complexes. Atrial flutter has an atrial rate. Between 250 and 350. Wandering atrial pacemaker has at least 3 different shapes of.Study with Quizlet and memorize flashcards containing terms like wandering atrial pacemaker, P' waves, usually irregular and more.It's a sight for sore eyes. It’s a sight for sore eyes. Wycombe Wanders, a club in the fourth division of professional soccer in the UK, unveiled its new jerseys for next season Ju...Oct 20, 2023 ... ... atrial dysrhythmias is this patient most likely to develop? a. Wandering atrial pacemaker b. Atrial flutter c. Atrial fibrillation d ...Cremating a Human Body: Getting Down to the Nitty Gritty - Cremating a human body involves a couple steps...including removing a pacemaker or any hazardous items. See how cremating...Study with Quizlet and memorize flashcards containing terms like Rhythm is slightly irregular Rate 60-100 bpm P Wave has continuous changes (3 diff waves) PR interval varies QRS duration normal, WAP can be related to organic heart disease or drug toxicity WAP is a normal finding in children, older adults, and well-conditioned athletes., A more serious atrial Dysrhythmia and more.Study with Quizlet and memorize flashcards containing terms like Atrial fibrillation has _____. a) P waves of multiple shapes b) no P waves at all c) P waves with uniform shape d) sawtooth-shaped waves between the QRS complexes, The T wave represents _____.Study with Quizlet and memorize flashcards containing terms like rhythm, rate, P wave morphology and more.A wandering atrial pacemaker rhythm with a ventricular rate of 60 to 100/min may also be referred to as_____. Multiformed atrial rhythm. Atrial fibrillation is characterized by_____. An erratic, wavy baseline and irregular ventricular rhythm. … Myocardial. (A) pertaining to the heart. What is the rate of wandering atrial pacemaker rhythm? (A) 60 to 100 beats per minute. Which dysrhythmia is similar to wandering atrial pacemaker, except that the rate exceeds 100 beats per minute? (B) Multfocal atrial tachycardia. What is the major health risk for patients who have atrial fibrillation? Study with Quizlet and memorize flashcards containing terms like Identify the following rhythm:, ... What is the rate of wandering atrial pacemaker rhythm ( WAP ) ? 60 to 100 beats per minute. Which atrial dysrhythmia has capital F waves and a classic sawtooth or picket fence appearance ?A) Wandering atrial pacemaker. B) Atrial flutter. C) Atrial fibrillation. D) Multifocal atrial tachycardia. D. You are asked to perform an ECG on a 7-year-old child. The child is active and appears to be in good health. When you check the ECG tracing, you notice that it shows a wandering atrial pacemaker rhythm.Electrocardiography ch 6. 48 terms. kristen_rowell. EKG Chapter 7. 73 terms. ashley_paylor6. 1 / 4. Study with Quizlet and memorize flashcards containing terms like What are the complications of having a thrombus formed in the atria as a result of atrial fibrillation?, What patients that have new onset of atrial fibrillation complain of?, Why ...Wandering atrial pacemaker Flashcards | Quizlet. Rate. Click the card to flip 👆. Variable depending on the site of the pacemaker; usually 45-100/ bpm. Click the card to flip 👆. 1 / 5. … a ventricular rate faster than 180 beats/min. True. Identify the following rhythm (lead Il). Wolff-Parkinson-White syndrome. Multifocal atrial tachycardia is another name for atrial fibrillation. False. P waves in this rhythm strip___. Are not identifiable. The most common type of supraventricular tachycardia (SVT) is. Study with Quizlet and memorize flashcards containing terms like wandering atrial pacemaker (WAP) - 2 etiologies, wandering atrial pacemaker - 1 SS - 1 tx, wandering atrial pacemaker - rate - rhythm - 1 ECG findings and more.Study with Quizlet and memorize flashcards ... Study sets, textbooks, questions. Log in. Sign up. Upgrade to remove ads. Only $35.99/year. Wandering atrial pacemaker. Flashcards. Learn. Test. Match. Flashcards. Learn. Test. Match. Created by. Taylor_Fritts-Pratt. Terms in this set (10) Rhythm may begin then shift from which locations. SAn ...Study with Quizlet and memorize flashcards containing terms like atrial dysrhythmias occur from conditions that cause pressure on the atria such as, atrial flutter occurs?, what dysrhythmia is simliar to wandering atrial pacemaker, but …... wandering atrial pacemaker is true? Sinus arrhythmia has uniform P waves shapes ; wandering atrial pacemaker has at least three different shapes P waves. The ...Nov 21. Written By The Visual Nurse. The wandering atrial pacemaker and multifocal atrial tachycardia: For our purposes, think of these two rhythms as one in the same. The …Study with Quizlet and memorize flashcards containing terms like The recommended first-line treatment for wide third-degree heart block associated with bradycardia and hemodynamic compromise is: transcutaneous pacing. a dopamine infusion. an epinephrine infusion. atropine sulfate., A major complication associated with atrial fibrillation is: … Study with Quizlet and memorize flashcards containing terms like What is happening during Wandering Atrial Pacemaker?, is the rhythm regular during Wandering Atrial Pacemaker?, what happens to the P waves during Wandering Atrial Pacemaker? and more. Study with Quizlet and memorize flashcards containing terms like atrial kick, automaticity, ... wandering atrial pacemaker (WAP) a rhythm in which pacemaker site shifts between SA node, atria, and/or AV junction. WAP has a changing P-wave configuration with at least three variations in one lead.60 to 100 beats per minute. What is the rate of wandering atrial pacemaker rhythm (WAP)? Study with Quizlet and memorize flashcards containing terms like Myocardial infarction, valvular problems, neurological influences, Ectopic, the waveform has both positive and negative deflections on the ECG tracing. and more.Wandering Atrial Pacemaker (WAP) What is the rate of the WAP rhythm. 60-100 beats per minute. Be able to describe the P wave and multifocal atrial tachycardia (MAT) Has a wave that changes from beat to beat and a heart rate of 101 to 150. It has the same characteristics as wandering atrial pacemaker (WAP), except that the rate is in excess of 100.what populations do we see multifocal/ wandering atrial pacemaker. normal ... When wandering atrial pacemaker is associated with a ventricular rate greater than ... Study with Quizlet and memorize flashcards containing terms like <100 bpm, slightly irregular, interval measurements and more. Fresh features from the #1 AI-enhanced learning platform. Try it free A wandering atrial pacemaker rhythm with a ventricular rate of 60 to 100/min may also be referred to as _____. atrial fibrillation. atrial flutter. multiformed atrial rhythm. sinus rhythm. 12 of 21. Term. ... Quizlet for Schools; Language Country. United States; Canada ...Students also viewed · 1. Pathologic condition with same characteristics of Wandering Atrial Pacemaker EXCEPT rate of 100-250 bpm · 2. Rare in healthy patients, ...Study with Quizlet and memorize flashcards containing terms like The rhythm most often associated with chronic lung disease is, A PAC is a, Atrial tachycardia is characterized by and more. ... Sinus arrhythmia has uniform P waves shapes ; wandering atrial pacemaker has at least three different shapes P waves. The rhythm in figure 7. Study with Quizlet and memorize flashcards containing terms like Which of the following rhythms is characterized by a narrow QRS, presence of multiple P wave shapes, irregularly irregular rhythm, variable PR interval, and a ventricular rate of 84 beats per minute? A. Atrial fibrillation B. Wandering atrial pacemaker C. Multifocal atrial tachycardia D. Complete heart block, The rhythm most ... Sinus arrhythmias are those abnormal rates or rhythms that originate in the sinus node (the natural pacemaker of the heart) Ex: - sinus bradycardia. - sinus tachycardia. - sinus arrhythmia. - sinus arrest. - sinus exit block. A sinus arrest is when a sinus impulse ... fails to occur at its usual time.PR interval. 60 to 80. third-degree block. Identify the Right Atrium. Identify the aortic valve. Identify the rhythm. The type of permanent pacemaker that has two lead wires, one in the right atrium and one in the right ventricle is a (n) ________________sequential pacemaker. fibrillation.A rapid, irregular atrial rhythm arising from multiple ectopic foci within the atria. Most commonly seen in patients with severe COPD or congestive heart failure. It is …Persistent wandering atrial pacemaker after epinephrine overdosing - a case report. Aburawi EH, Narchi H, Souid AK BMC Pediatr 2013 Jan 2;13:1. doi: 10.1186/1471-2431-13-1. PMID: 23281628 Free PMC ArticleWandering atrial pacemaker/ectopic tachycardia is the passive transfer of pacemaker sites to other latent pacemaker sites in the atria and AV junction. Often, more than one pacemaker will be active causing variation in RR interval and P wave morphology. Etiology (WAP) (5 Causes) - A variant of sinus arrhythmia.Learn the definition, causes, symptoms and treatment of wandering atrial pacemaker with flashcards created by rosyposy85 on Quizlet. The flashcards also cover other …

EKG Chapter 8. rhythm may be a little irregular as the pacemaker changes sites, P wave configuration will change, everything else will be normal. Click the card to flip 👆. wandering atrial pacemaker. Click the card to flip 👆. 1 / 10.. Dominican salon winston salem nc

a wandering atrial pacemaker quizlet

Study with Quizlet and memorize flashcards containing terms like A wandering Atrial pacemaker has a mean rate, A multifocal atrial tachycardia has a mean rate, Cause of Wandering atrial pacemaker and more.Got some vocab words you need to learn? Try Quizlet, a free interactive learning tool. Got some vocab words you need to learn? Try Quizlet, a free interactive learning tool. Here's...Wandering atrial pacemaker/ectopic tachycardia is the passive transfer of pacemaker sites to other latent pacemaker sites in the atria and AV junction. Often, more than one pacemaker will be active causing variation in RR interval and P wave morphology. …Terms in this set (28) Myocardial infarction, valvular problems, neurological influences. What medical conditions place pressure on the atria, causing atrial dysrhythmias to occur? the waveform has an equally positive and negative deflection on the ECG tracing. In a premature atrial complex (PAC), the P wave may be biphasic.A) Wandering atrial pacemaker. B) Atrial flutter. C) Atrial fibrillation. D) Multifocal atrial tachycardia. D. You are asked to perform an ECG on a 7-year-old child. The child is active and appears to be in good health. When you check the ECG tracing, you notice that it shows a wandering atrial pacemaker rhythm.Study with Quizlet and memorize flashcards containing terms like Rhythm may begin then shift from which locations, Rate, Regularity and more.Study with Quizlet and memorize flashcards containing terms like Rules for Wandering pacemakers (5), Rules for Premature Atrial Contraction (5), ...Nov 21. Written By The Visual Nurse. The wandering atrial pacemaker and multifocal atrial tachycardia: For our purposes, think of these two rhythms as one in the same. The …A rapid, irregular atrial rhythm arising from multiple ectopic foci within the atria. Most commonly seen in patients with severe COPD or congestive heart failure. It is …Study with Quizlet and memorize flashcards containing terms like Atrial dysrhythmia mechanisms (3), Key characteristics of atrial dysrhythmias, Wandering atrial pacemaker Cause Is it normal in any population? Related to any diseases or medications? and more.Study with Quizlet and memorize flashcards containing terms like The rhythm most often associated with chronic lung disease is, ... Sinus arrhythmia has uniform P waves shapes ; wandering atrial pacemaker has at least three different …Study with Quizlet and memorize flashcards ... Wandering atrial pacemaker -P wave different ... Image: Atrial flutter "Sawtooth pattern" (atria too fast for ...Study with Quizlet and memorize flashcards containing terms like Rhythm, Rate, P waves and more. ... Wandering Atrial Pacemaker (WAP) 5Step. Flashcards. Learn. Test ...Study with Quizlet and memorize flashcards containing terms like Which wave is most affected by a change in electrical activity within the atria ?, Premature atrial complexes, Atrial Flutter and more. ... Which dysrhythmia is similar to wandering atrial pacemaker, except that the rate exceeds 100bpm. Multi focal atrial tachycardia.Quizlet has study tools to help you learn anything. Improve your grades and reach your goals with flashcards, practice tests and expert-written solutions today.Study with Quizlet and memorize flashcards containing terms like What is the term for a condition in which a patient's blood pressure is not adequate to maintain good blood supply to the vital organs?, Which atrial dysrhythmia has a clearly changing P wave and a heart rate of 101 to 150 beats per minute?, What is the ventricular heart rate with junctional tachycardia? and more.P-R interval varies depending on the site of the pacemaker. Rhythm. Irregular. This dysrhythmia may occur in normal hearts as a result of fluctuations in vagal tone. It may also be seen in patients with heart disease or COPD.PR interval. 60 to 80. third-degree block. Identify the Right Atrium. Identify the aortic valve. Identify the rhythm. The type of permanent pacemaker that has two lead wires, one in the right atrium and one in the right ventricle is a (n) ________________sequential pacemaker. fibrillation..

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