Icd 10 nonsustained ventricular tachycardia. I47. Icd 10 nonsustained ventricular tachycardia

 
 I47Icd 10 nonsustained ventricular tachycardia Supraventricular tachycardias (SVTs) other than AF are common in the general population at an estimated incidence of 73 per 100,000 and prevalence of 140 per 100,000 people

2024. Tracings and mapping data from a patient who had polymorphic nonsustained ventricular tachycardia (NSVT) induced at the end of ablation procedure and subsequently had a VT recurrence after procedure. 11); paroxysmal tachycardia (I47. 458: 58 ± 10: ICD vs amiodarone: I-III: 29 ± 14: Resulted in 35% RR reduction in all-cause mortality; P = 0. for atenolol to treat Ventricular Tachycardia. Search Results. ICD-10-CM Diagnosis Code I47. ICD-10-CM Diagnosis Code R00. Non-sustained ventricular tachycardia (NSVT) has been one of the most common challenges in clinical cardiology. Chronic paroxysmal hemicrania; Chronic paroxysmal hemicrania NOS. 21 – Torsades de pointes I47. The 2024 edition of ICD-10-CM I49. -);500 results found. The most common cause of ventricular fibrillation is acute coronary ischemia, whereas a myocardial scar from prior infarct is the most common cause of sustained monomorphic VT in patients. It occurs when a short circuit rhythm develops in the upper chamber of the heart. 8) Medication—main drug classes Cardiovascular medication, any2724 (98. having a primary. Wide complex tachycardia is defined as a rate of > 100 with QRS > 120ms. Expand current row for information about atenolol. Non-sustained ventricular tachycardia (NSVT) is one of the most common problems encountered in modern clinical cardiology the term, defined as 3 or more consecutive beats arising below the atrioventricular node with a rate 120 beats/min and lasting less than 30 s (1,2,3)Background The clinical characteristics of sustained monomorphic ventricular tachycardia (SMVT), when it develops after valve surgery, have not been described. This is the American ICD-10-CM version of Z86. Likewise, ICD implantation should be considered in patients with CAD, LVEF ≤40% despite ≥3 months of optimal medical therapy and nonsustained VT. Atrial tachycardia is a fast heartbeat (arrhythmia). Ventricular tachycardia (VT or V-tach) is a type of abnormal heart rhythm, or arrhythmia. 10 may differ. Seven (44%) of the 16 patients. Ventricular tachyarrhythmia in ICD recipients included only VT that required treatment to terminate (ATP or shock). Depending on the etiology, onset of ventricular tachycardia can be paroxysmal (sudden) or nonparoxysmal, its wide QRS complexes can. Inappropriate sinus tachycardia; Inappropriate sinus tachycardia (rapid heart beat); Sinus tachycardia; Sinus tachycardia (fast heart beat); Tachycardia; inappropriate sinus tachycardia, so stated (I47. 2. 1. A. This definition, however, is not universal. 5 to 14. Twenty patients (3%) underwent primary prevention ICD implantation (10 patients in group A, 11 in group B, and none in group C). -);ICD detections were noted in 18 (35%) patients during a median follow-up period of 13. Paroxysmal tachycardia; Tachycardia, paroxysmal; Bouveret (-Hoffman) syndrome. 10. J Am Coll Cardiol 2020;76:e159-e24. 001: No AAD or ICD 7: 16 <0. Heart-healthy lifestyle changes include: Eating heart-healthy foods. 1 Meanwhile, AF is the most common cardiac arrhythmia with a lifetime risk of around one in four in the Western world. Al-Khatib SM, Stevenson WG, Ackerman MJ, et al. Non-sustained ventricular tachycardia (NSVT). 10 Kumar S, Sivgangabalan G, Thiagalingam A, West EB, Narayan A, Sadick N, Ong AT, Kovoor P. A heart rate of more than 100 beats a minute is called a tachycardia (tak-ih. 0 [convert to ICD-9-CM] Paroxysmal atrial fibrillation. It is usually asymptomatic and most often diagnosed during cardiac monitoring (eg, continuous ambulatory electrocardiography or inpatient telemetry) or on an exercise test performed for other reasons. Effect of reperfusion time on inducible ventricular tachycardia early and spontaneous ventricular arrhythmias late after ST elevation myocardial infarction treated with primary percutaneous coronary intervention. 11 However, that study was small (196 patients) and used an ejection. Implantable cardioverter-defibrillators (ICDs) have been proven to improve the survival of patients with a primary or secondary risk of sudden cardiac death. Diagnostic stress echo testing is commonly performed in patients with known or suspected cardiovascular disease. ICD-10-CM Diagnosis Code I47. Symptoms depend on duration and vary from none to palpitations to hemodynamic collapse and death. Showing 1-25: ICD-10-CM Diagnosis Code I47. Symptoms depend on duration and vary from none to palpitations to hemodynamic collapse and death. 4,8 – 11 However, the prevalence and significance of NSVT may have been underestimated by relatively brief ambulatory. I47. In some cases, healthcare providers can create scar. <30 s in duration. Permanent atrial fibrillation. 001: No AAD or ICD 7: 16 <0. 001 1: Ablation 3: 13 <0. Showing 1-25: ICD-10-CM Diagnosis Code I47. ICD-10-CM. Inappropriate sinus tachycardia; Inappropriate sinus tachycardia (rapid heart beat); Sinus tachycardia; Sinus tachycardia (fast heart beat); Tachycardia; neonatal tachycardia (P29. Paroxysmal tachycardia, unspecified. Search Results. Introduction. This definition, however, is not universal. Other supraventricular tachycardia. The 2024 edition of ICD-10-CM Z86. 2Ventricular tachycardia. 10 is a new 2024 ICD-10-CM code that became effective on October 1, 2023. 2022 ICD-10-CM code for VT New ICD-10-CM codes for VT I47. DINAMIT enrolled patients 6–40 days post-AMI with LVEF <35% and autonomic dysfunction while IRIS enrolled patients 5–31 days post-AMI with LVEF <40% and either elevated resting heart rate or non-sustained ventricular tachycardia. The MADIT-I trial found that patients with coronary disease, spontaneous nonsustained ventricular tachycardia, and inducible sustained tachycardia whose ejection fractions were >26% did not achieve improved survival with ICD therapy compared with “conventional” therapy. Introduction. Among ICD patients, the prevalence of such episodes ranges from 20 to 60% [3–5], depending on the duration of monitoring, detection criteria and clinical context. Good prognosis, rarely associated with tachycardia-induced cardiomyopathy and sudden cardiac death (SCD). Background—Sustained ventricular tachycardia (VT) can be unstable, can be associated with serious symptoms, or can be stable and relatively free of symptoms. But supraventricular tachycardia (SVT) tends to be less severe and occur in younger people. Previous Code: I47. Minimum rate cutoffs were in the range 188200 bpm in 70% of patients, and 150-187 bpm in the. Available for iPhone, iPad, Android, and Web. 7. 1 indication for 36 drugs (32 approved, 4 experimental). Uncategorized. When detected during exercise, and especially at recovery, NSVT indicates increased. AbstractAround 10% of ventricular arrhythmias (VA) occur in the absence of underlying structural heart disease. 10 - Supraventricular tachycardia, unspecified. 229 by log‐rank test). Search Results. Inappropriate sinus tachycardia; Inappropriate sinus tachycardia (rapid heart beat); Sinus tachycardia; Sinus tachycardia (fast heart beat); Tachycardia; inappropriate sinus tachycardia, so stated (I47. Jude Medical in 1 case. Non-sustained ventricular tachycardia (NSVT) is a relatively uncommon and short-lived arrhythmia when seen in the general, healthy population. Episodes not fulfilling both criteria were not considered. Non-sustained ventricular tachycardia (NSVT) was defined as ≧3 consecutive ventricular premature contractions at a rate of >120 bpm and lasting <30 s. A,. This results in a regular but rapid heartbeat that starts and stops abruptly. 049 [convert to ICD-9-CM] Chronic paroxysmal hemicrania, not intractable. Supraventricular tachycardia. 29. Orthostatic proteinuria; Postural proteinuria. We evaluated the association of NSVT characteristics with ICD interventions. Ventricular tachycardia (VT) is a wide complex tachycardia, defined as three or more consecutive beats at a rate of more than 100 per minute, arising from the ventricle. Episodes of nonsustained ventricular tachycardia (NSVT) are frequently observed in subjects with left ventricular systolic dysfunction and heart failure [1, 2]. ICD-10-CM Diagnosis Code I47. 500 results found. Understanding of COVID-19 is evolving continuously. R00. PSVT is part of the narrow QRS complex tachycardias with a regular ventricular response in contrast to multifocal atrial tachycardia, atrial fibrillation, and atrial flutter. The 2024 edition of ICD-10-CM I47. 1 Presentations range from intermittent premature ventricular complexes (PVCs) to sustained ventricular tachycardia (VT). com Ventricular tachycardia, unspecified. 2. Nonsustained ventricular tachycardia (≥4 consecutive beats), n (%) 5 (18) 11 (14) 56 (10) 0. ICD-10 code I47. 1) and Paroxysmal Tachycardia (I47. Nonsustained Ventricular Tachycardia in the Normal Heart: Risk Stratification and Management. Download the app!. arteriosclerosis in patient with history of previous myocardial. Seventy-six patients (48%) had a single-chamber ICD, 10 patients (6%. 160 results found. In many cases, exercise-induced ventricular tachycardia leads to the discovery of an underlying structural heart condition. 1–5 Similarly, the presence of myocardial scar, as assessed by late gadolinium enhancement. Bradycardia tachycardia syndrome; Sinus node dysfunction; Tachycardia-bradycardia; Tachycardia-bradycardia syndrome. B, The rate of inappropriate ICD therapy at 12 and 24 months was 5. Parent Code: I47. A. Chronic atrial fibrillation. Paroxysmal supraventricular tachycardia I47. Introduction. Echocardiogram. (ICD) is recommended if meaningful survival of >1 year is expected. Ventricular tachycardia (VT) refers to any rhythm faster than 100 (or 120) beats/min arising distal to the bundle of His. FY 2023 - Code Added, effective from 10/1/2022 through 9/30/2023. tachycardia complicating:; abortion or ectopic or molar pregnancy (O00-O07, O08. A total of 119 patients had both RR-NSVT and appropriate ICD therapy. Hypertrophy (enlargement) of tonsil and adenoid; Hypertrophy of tonsils and adenoids; hypertrophy of tonsils and. 2. ICD-10-CM I47 will be available in the 2020 version. 11 - Inappropriate sinus tachycardia, so stated. ICD-10-CM Diagnosis Code Z87. 19. During an atrial tachycardia episode, the heart rate increases to more than 100 beats a minute before returning to a typical heart rate of around 60 to 80 beats a minute. 500 results found. tachycardia complicating:; abortion or ectopic or molar pregnancy (O00-O07, O08. 79 became effective on October 1, 2023. Nonsustained ventricular tachycardia (NSVT) is an ectopic ventricular rhythm with wide QRS complex (≥120 milliseconds), rate faster than 100 bpm, lasting for at least 3 beats that spontaneously resolves in less than 30 seconds. Junctional (paroxysmal) tachycardia. Anti-tachycardia pacing (ATP) is a painless treatment for reentrant ventricular tachycardia (VT), and it has been shown to be effective for treating fast VT with low risk of. Among patients with a history of VT. 310 [convert to ICD-9-CM] Symptomatic premature menopause. Shortness of breath. 1 may differ. Chapter 9 - Diseases of the circulatory system (I00-I99) » Other forms of heart disease (I30-I52) » Ventricular tachycardia (I47. I47. Am Heart J. S2. ICD-10-CM Diagnosis Code I47. 2. 1 : I00-I99. [2] It is classified by duration as non-sustained or sustained. Ventricular tachycardia. 1186/s12872-021. Diagnosis is by electrocardiography. 0 [convert to ICD-9-CM] Paroxysmal atrial fibrillation. 11); paroxysmal tachycardia (I47. Idiopathic Ventricular Tachycardia: Ventricular outflow arrhythmias (RVOT > LVOT). Some have no symptoms (especially non-sustained and benign arrhythmias). NSVT detected by ICD in this study was defined by the ICD parameters. The patients presenting with atrial fibrillation on 24‐hour ECG all. Polymorphic ventricular tachycardia induced by programmed stimulation: response to procainamide. 20, I47. This is the American ICD-10-CM version of R00. Conventionally, slower, hemodynamically stable ventricular tachycardias (VT) are treated with antitachycardia pacing (ATP) and low-energy cardioversion, whereas faster, hemodynamically unstable VT and ventricular fibrillation (VF) are treated with immediate. SVTs are classified based. 20 may differ. 2The only reason why this is the only ICD-10 code that you can use for it is that there are only two other Tachycardia-related codes. 2 [convert to ICD-9-CM] Orthostatic proteinuria, unspecified. Ventricular tachycardia, nonsustained; Ventricular tachycardia, paroxysmal; Ventricular tachycardia, polymorphic; Ventricular tachycardia, sustained. Wide Complex Tachycardia ICD 10. ICD-10-CM Diagnosis Code R80. What is the ICD-10 code for narrow complex tachycardia? I47. 35 p=0. These ICD-10-CM codes can be used only with the conditions listed in the Indications and Limitations sections of the local coverage policy L33952 Cardiac Event Detection. Ventricular tachycardia ( V-tach or VT) is a fast heart rate arising from the lower chambers of the heart. INTRODUCTION. Background: Permanent pacemakers (PPMs) are capable of recording tachyarrhythmic events including nonsustained ventricular tachycardia (NSVT), though the clinical significance of NSVT on routine PPM evaluation is unknown. 1 . Introduction: The prognostic impact of nonsustained ventricular tachycardia (NSVT) morphology has never been explored in hypertrophic cardiomyopathy (HCM). 19. Describe ventricular tachycardia in terms of the ICD 10 code. 0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 2024 - New Code Billable/Specific Code. Consider for diagnosis and treatment, if rhythm is regular and monomorphic (see rhythm diagnosis in regular wide complex tachycardia) 6 mg IV as a rapid IV push followed by a 20 mL saline flush; repeat if required as 12 mg IV push. Mar 19, 2023. ICD-10-CM Diagnosis Code I47. Rate >125/min. They can occur in patients with or without structural heart diseases and at a wide spectrum of ages. ICD-10-CM Diagnosis Code Z87. Patients with DCM can develop any variety of ventricular arrhythmias including nonsustained ventricular tachycardia (VT), sustained monomorphic VT, polymorphic VT, and ventricular fibrillation. We also evaluated correlations between the presence of these arrhythmias. The aim of this study was to investigate the prognostic significance of asymptomatic NSVT in patients who had. 288 (10. ICD: 20 CRT. Ventricular tachycardia. ICD-10-CM Diagnosis Code I49. Sign up today to receive the latest news and updates from UpToDate. ICD-10-CM Diagnosis Code I47. Non-sustained ventricular tachycardia (NSVT) is known to occur in up to 3% of healthy males, occurs in 8% of patients with hypertension, and 45-75% of patients with known myocardial infarction (MI) [3,4]. 79 became effective on October 1, 2023. 25 result found: ICD-10-CM Diagnosis Code R00. Z86. 792:. It is possible to charge for I47. In patients with LVEF > 40% the independent prognostic significance of NSVT is unknown. Showing 1-25: ICD-10-CM Diagnosis Code I23. It’s usually treatable with quick medical care. Showing 1-25: ICD-10-CM Diagnosis Code I47. ICD-10-CM Diagnosis Code I47. Select. 2) I47. 19. Out of 17 patients with negative baseline Holter, 7 (41%) showed ICD-NSVT. 1 However, the diagnostic implications of exercise. Until the 1970s, physicians treated only symptomatic VTs. Ventricular tachycardia; Other names: V-tach, Vtach, VT: A run of ventricular. The symptoms of ventricular arrhythmia depend on the type of arrhythmia. 11. 2012; 60:1993–2004. Ventricular tachycardia, unspecified. 1. Paroxysmal tachycardia (I47) Ventricular tachycardia, unspecified (I47. 20 [convert to ICD-9-CM] Ventricular tachycardia, unspecified. The 2024 edition of ICD-10-CM R00. One hundred two ARVC patients with an implantable cardioverter defibrillator (ICD) were enrolled in the study. Pounding heartbeat (palpitations) Lightheadedness. -) An arrhythmia is a problem with the rate or rhythm of your heartbeat. 1 . This patient was admitted to the hospital with ischemic cardiomyopathy and class. 1080/14017431. 001: Ablation plus AAD 1 5: 0. 223 results found. Atrial fibrillation; Atrial fibrillation with rapid ventricular. Winters S, Stewart D, Targonski A and Gomes J (1988) Role of signal averaging of the surface QRS complex in selecting patients with nonsustained ventricular tachycardia and high grade ventricular arrhythmias for programmed ventricular stimulation, Journal of the American College of Cardiology, 10. Showing 1-25: ICD-10-CM Diagnosis Code I48. The rhythm may be irregular. 2018;138:e272–e391. 0)In cases of ventricular tachycardia or ventricular fibrillation risk for driving is related to the likelihood of recurrence and the likelihood that recurrence may result in an alteration of level of consciousness or loss of consciousness (AOC or LOC). The most useful test in a patient with a sustained ventricular tachycardia is an electrocardiogram . 0 . 9 became effective on October 1, 2023. 20 [convert to ICD-9-CM] Ventricular tachycardia, unspecified. Atrial paroxysmal tachycardia; Atrial tachycardia; Atrioventricular (av) tachycardia (fast heart beat); Av junctional paroxysmal rapid heart rate; Ectopic atrial tachycardia; Ectopic atrial tachycardia (heart rhythm disorder); His bundle tachycardia; Junctional ectopic tachycardia. 2) Related MeSH Terms Tachycardia, Ventricular D017180. Ventricular septal defect as current comp following AMI; Rupture of interventricular septum; Rupture of interventricular septum following acute myocardial infarction; acquired ventricular septal defect not specified as current complication following acute myocardial infarction (I51. 2 as a billable/specific ICD-10-CM code, which may be used to identify a diagnosis in order to get compensation. ICD-10-CM Diagnosis Code I47. Ventricular tachycardia . If you have supraventricular tachycardia, a heart-healthy lifestyle is an important part of your treatment plan. 483 [convert to ICD-9-CM] Generalized contraction of visual field, bilateral. 0); sinus [sinusal] tachycardia NOS (R00. Sustained ventricular tachycardia describes an arrhythmia lasting more than 30 seconds or one during which the patient experiences hemodynamic instability in less than 30 seconds. 8); obstetric surgery and procedures (O75. ICD-10-CM Diagnosis Code I47. 1 is an ICD-10-CM code that can be used for reimbursement purposes to indicate a diagnosis. 25 and 0. 1998;32(4):942–7. Ventricular tachycardia occurs when the heart's electrical signals cause the lower heart chambers (ventricles) to beat too quickly. Limit salt and saturated fats. I47. 9 became effective on October 1, 2023. I47 is the I47. ); Junctional ectopic tachycardia, postoperative; Multifocal atrial tachycardia; Multifocal atrial tachycardia (heart beat disorder); Nonsustained paroxysmal supraventricular tachycardia; Paroxysmal atrial. It's a type of supraventricular tachycardia (SVT). 29 became effective on October 1, 2023. Based on data from a survey performed in the UK (), the prevalence of ventricular arrhythmias is between 0. 2 [convert to ICD-9-CM] Ventricular tachycardia. It can also be associated with poorer prognosis and increased mortality. ICD-10-CM I47. Conventionally, slower, hemodynamically stable ventricular tachycardias (VT) are treated with antitachycardia pacing (ATP) and low-energy cardioversion, whereas faster, hemodynamically unstable. 001: Ablation. Ventricular tachycardia. AHA Coding Clinic ® for ICD-10-CM and ICD-10-PCS - 2022 Issue 4; New/Revised ICD-10-CM Codes Ventricular Tachycardia. For such conditions, ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Europace. Paroxysmal tachycardia (I47) Re-entry ventricular arrhythmia (I47. 0000000000000549 Key Words: AHA Scientific Statements acute coronary syndrome ambulatory ECG monitoring antiarrhythmic drug. 19. Re-entry refers to the. Sign Up160 results found. The aim of this study was to investigate the prognostic significance of asymptomatic NSVT in patients who had primary prevention implantable cardioverter-defibrillator (ICD. This is the American ICD-10-CM version of I47. This is the American ICD-10-CM version of I47. [ 1] [ 2] It may occur in the absence of any underlying heart disease. 9. It is usually asymptomatic and most often diagnosed during cardiac monitoring (eg, continuous ambulatory electrocardiography or inpatient telemetry) or on an exercise test performed for other reasons. 0) ICD-10-CM Diagnosis Code O36. There are several different forms of VT — the most common is monomorphic VT, which originates from a single focus within the. NSVT was subsequently detected on ICD interrogation in 21 WHAT IS KNOWN • Nonsustained ventricular tachycardia (NSVT) is 1 of the 5 major risk factors for sudden cardiac death in patients with hypertrophic cardiomyopathy. Implantable cardiac defibrillators (ICDs) are indicated in patients with VT who are deemed to have a high risk of sudden cardiac death. 79 may differ. 5). Previous Code: I47. ICD-10-CM Diagnosis Code I47. A chest X-ray can help diagnose an enlarged heart. Supraventricular tachycardia. Other forms of heart disease. 315 [convert to ICD-9-CM] Non -pressure chronic ulcer of right ankle with muscle involvement without evidence of necrosis. Ventricular tachycardia usually has the following symptoms: Chest pain (angina) Dizziness, feeling lightheaded fainting. BXX9 [convert to ICD-9-CM] Maternal care for other (suspected) fetal abnormality and damage, fetal cardiac anomalies, other fetus. However, the occurrence of idiopathic ventricular tachycardia during exercise is also common. Wide QRS represents slow activation of the ventricles that does not use the rapid His-Purkinje system of the heart. This code was replaced for the FY 2024 (October 1, 2023 - September 30, 2024). FY 2024 - Code Added, effective from 10/1/2023 through 9/30/2024. NSVT is defined as three or more consecutive ventricular beats lasting at least 30 seconds with an RR interval of 600 milliseconds. "I47. 21 or I47. Read the "AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS (ICD-9)". It is usually asymptomatic and most often diagnosed during cardiac monitoring (eg, continuous ambulatory electrocardiography or inpatient telemetry) or on an exercise test performed for other reasons. Question: My cardiologist documented a diagnosis of ventricular tachycardia. (5%) of 58 of those had normal CMR. Prevalence and prognosis of exercise-induced nonsustained ventricular tachycardia in apparently healthy volunteers. References. 11); neonatal tachycardia (P29. Among ICD patients, the prevalence of such episodes ranges from 20 to 60% [3,4,5], depending on the duration of monitoring, detection criteria and clinical context. 427. Inappropriate sinus tachycardia; Inappropriate sinus tachycardia (rapid heart beat); Sinus tachycardia; Sinus tachycardia (fast heart beat); Tachycardia; neonatal tachycardia (P29. 19. Nonsustained ventricular tachycardia (NSVT) is a common but poorly. 01: Ventricular. Hypertrophy of vulva. 12 Very limited data are available regarding the prognostic significance of NSVT in acute MI. As a novel concept for clinical practice, the latest ESC guidelines discuss recommendations for the evaluation of patients in various clinical scenarios such as the incidental finding of nonsustained ventricular tachycardia (nsVT), first presentation of sustained monomorphic ventricular tachycardia (SMVT), or (aborted) SCD placing a. I47. Nonsustained ventricular tachycardia (NSVT) on Holter and VT inducibility during electrophysiology study (EPS) have been associated with an increased risk for ventricular arrhythmias and sudden cardiac death in nonischemic dilated cardiomyopathy (DCM). 29) I47. 05 months, SD 3. 8); obstetric surgery and procedures (O75. 11);. Paroxysmal tachycardia. 0 may differ. JAMA. ICD-9 coding rules: ICD-9 inclusion rules indicate 427. Synonyms: ekg: supraventricular tachycardia, nonsustained paroxysmal. 5 [convert to ICD-9-CM] Sick sinus syndrome. ICD-10-CM Code I47. • The ICD-10-CM diagnosis code for ventricular tachycardia (VT) I47. Structural abnormalities seen on CMR are very common among patients with a history of ventricular tachycardia (VT) or aborted sudden cardiac death. Ventricular tachycardia is a heart rhythm problem (arrhythmia) caused by. Parent Code: I47. Sustained ventricular tachycardia with a duration of greater than 3 seconds or symptomatic nonsustained ventricular tachycardia commonly causes presyncope or syncope. Sustained monomorphic ventricular tachycardia (SMVT) is defined by the following characteristics: A regular (<50 msec beat-to-beat cycle length variation) wide QRS complex (≥120 milliseconds) tachycardia at a rate greater than 100 beats per minute The consecutive beats have a uniform and stable QRS morphology.