HeartRhythm

APRIL 30, 2024

Tachycardia-induced cardiomyopathy (TICM) is a reversible impairment of the left ventricular (LV) systolic function caused by persistent tachyarrhythmias. It is often difficult to identify macroscopic scar in patients with TICM by cardiac magnetic resonance imaging (MRI).

Tachycardia 40

Tachycardia Cardiomyopathy 40

HeartRhythm

JUNE 27, 2024

Many genetic non-ischemic dilated cardiomyopathies (NICM) cause ventricular tachycardias (VT) originating from scar substrate identified as areas of low electrogram voltage. Substrate locations vary and the causes of scar are not well defined.

Tachycardia 40

Tachycardia Cardiomyopathy 40

HeartRhythm

APRIL 30, 2024

The ventricular tachycardia (VT) substrate in patients with non-ischemic cardiomyopathy (NICM) is complex in distribution and intramural location. Myocardial lipomatous metaplasia (LM) is vital to post-infarct VT circuitry, but not investigated in NICM VT circuitry yet.

Tachycardia 40

Tachycardia Cardiomyopathy 40

Journal of Cardiothoracic Surgery

SEPTEMBER 22, 2024

Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a family inherited cardiomyopathy associated with ventricular arrhythmias. With the development of molecular biology, histology, imaging, and other dia.

Cardiomyopathy 52

Cardiomyopathy Tachycardia Arrhythmia Ablation 52

Dr. Smith's ECG Blog

JUNE 21, 2024

A patient in the ICU with significant underlying cardiac disease [HFrEF 30%, non-ischemic cardiomyopathy, LBBB s/p CRT-D (biventricular pacer), AVNRT s/p ablation a few yrs ago, hx sinus tachycardia while on max tolerated BB therapy] went into a regular wide-complex tachycardia after intubation for severe COPD exacerbation.

Tachycardia 71

Tachycardia Atrial Fibrillation Pacemaker Blog 71

HeartRhythm

APRIL 30, 2024

Catheter ablation is an effective tool to reduce ventricular tachycardia (VT) burden. There is a lack of robust data studying the intraprocedural characteristics and outcomes of VT ablation in patients with non-ischemic (NICM) versus ischemic cardiomyopathy (ICM).

Tachycardia 40

Tachycardia Cardiomyopathy Ablation Outcomes 40

HeartRhythm

APRIL 30, 2024

Ventricular Tachycardia (VT) is an important cause of morbidity and mortality in structural heart Disease. Current literature is limited in direct comparison of VT in ischemic (ICM) compared to non-ischemic cardiomyopathy (NICM).

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Tachycardia Cardiomyopathy Heart Disease Ablation 40

HeartRhythm

NOVEMBER 10, 2023

In arrhythmogenic right ventricular cardiomyopathy (ARVC), risk of atrial arrhythmias (AA) persists after ventricular tachycardia (VT) ablation.

Tachycardia 40

Tachycardia Arrhythmia Cardiomyopathy Ablation 40

Journal of Cardiovascular Electrophysiology

AUGUST 26, 2024

Abstract Introduction Due to its unique features, pulsed field ablation (PFA) could potentially overcome some limitations of current radiofrequency (RF) ventricular tachycardia (VT) ablation. Methods Two patients with ischemic cardiomyopathy and previously failed RF VT ablations were treated with PFA.

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Ablation Tachycardia Cardiomyopathy Technology 40

HeartRhythm

APRIL 30, 2024

Catheter ablation (CA) is effective in the treatment of ventricular tachycardia (VT). Although some data suggest patients with non-ischemic cardiomyopathy (NCIM) have worse outcomes compared to those with an ischemic etiology (ICM), direct comparisons are scarcely reported.

Tachycardia 40

Tachycardia Cardiomyopathy Ablation Outcomes 40

HeartRhythm

APRIL 15, 2024

Endocardial electrogram (EGM) characteristics in non-ischemic cardiomyopathy (NICM) have not been explored adequately for prognostication.

Cardiomyopathy 75

Cardiomyopathy Tachycardia 75

HeartRhythm

APRIL 30, 2024

Wild-type transthyretin amyloid cardiomyopathy (ATTRwt-CM) is often accompanied by atrial fibrillation (AF), atrial flutter (AFL), and atrial tachycardia (AT), which are difficult to control because beta-blockers and antiarrhythmic drugs can worsen heart failure (HF).

Atrial Flutter 40

Atrial Flutter Atrial Fibrillation Tachycardia Cardiomyopathy 40

HeartRhythm

SEPTEMBER 19, 2024

In hypertrophic cardiomyopathy (HCM), 48-hour ambulatory monitoring has been standard practice to detect nonsustained ventricular tachycardia (NSVT), a sudden death risk marker. Extended wear ambulatory ECG devices have more recently utilized for monitoring HCM patients.

Cardiomyopathy 40

Cardiomyopathy Tachycardia 40

Dr. Smith's ECG Blog

JUNE 28, 2023

A prehospital 12-lead was recorded: There is a regular wide complex tachycardia. The computer diagnosed this as Ventricular Tachycardia. There is a wide complex regular tachycardia at a rate of 226. Toothache, incidental Wide Complex Tachycardia Could it be fascicular VT or Bundle Branch VT ( i.e., idiopathic VT )?

Tachycardia 96

Tachycardia Ultrasound Heart Disease Atrial Fibrillation 96

Heart BMJ

MAY 23, 2024

He had a background of arrhythmic right ventricular cardiomyopathy. He had previously undergone the placement of a dual-chamber implantable cardioverter-defibrillator for atrioventricular block and ventricular tachycardia (VT). Clinical introduction A man in his 50s presented to the emergency department with palpitations.

Tachycardia 52

Tachycardia Defibrillator Cardiomyopathy 52

Dr. Smith's ECG Blog

MARCH 28, 2024

male with pertinent past medical history including Atrial fibrillation, atrial flutter, cardiomyopathy, Pulmonary Embolism, and hypertension presented to the Emergency Department via ambulance for respiratory distress and tachycardia. Description : Regular Wide Complex Tachycardia at a rate of about 160. SVT with aberrancy?

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Tachycardia Atrial Fibrillation AFIB Atrial Flutter 124

Frontiers in Cardiovascular Medicine

DECEMBER 18, 2023

Cardiac sarcoidosis (CS), a rare condition characterized by non-caseating granulomas, can manifest with symptoms such as atrioventricular block and ventricular tachycardia (VT), as well as mimic inherited cardiomyopathies. A 58-year-old woman presented with sustained VT with a prior diagnosis of hypertrophic cardiomyopathy (HCM).

Cardiomyopathy 69

Cardiomyopathy Cardiac Arrest Electrophysiology Defibrillator 69

HeartRhythm

APRIL 30, 2024

Belhassen’s ventricular tachycardia is an uncommon arrhythmia in infants. Originating near the left posterior fascicle, it is initiated by supraventricular ectopy or sinus tachycardia and is uniquely sensitive to verapamil. Use of verapamil in infants is controversial due to risk of severe hemodynamic compromise.

Tachycardia 40

Tachycardia Arrhythmia Cardiomyopathy Ablation 40

HeartRhythm

APRIL 30, 2024

Supraventricular tachycardias are the most common arrhythmias that occur during pregnancy. Pharmacologic therapy is often preferred in pregnant patients. When pharmacologic therapy fails, fluoroless catheter ablation utilizing electroanatomic mapping systems and intracardiac echocardiography (ICE) may be considered.

Tachycardia 40

Tachycardia Ablation Pharmacology Arrhythmia 40

The New England Journal of Medicine

OCTOBER 30, 2024

A 69-year-old man with a history of MI and cardiomyopathy presented with 2 days of dyspnea. Regular tachycardia (124 beats per min), diaphoresis, and rales were present. A diagnosis was made.

Myocardial Infarction 75

Myocardial Infarction Tachycardia Cardiomyopathy 75

HeartRhythm

APRIL 30, 2024

Prior studies have shown efficacy of noninvasive radiation therapy using stereotactic body radiation therapy (SBRT) for treatment-refractory ventricular tachycardia (VT). Data is limited on comparison of ischemic (ICM) and nonischemic cardiomyopathy (NICM).

Tachycardia 40

Tachycardia Cardiomyopathy 40

Dr. Smith's ECG Blog

JUNE 23, 2023

A 50-something male with unspecified history of cardiomyopathy presented in diabetic ketoacidosis (without significant hyperkalemia) with a wide complex tachycardia and hypotension. Analysis: there is a wide complex tachycardia. This was the interpretation I put into the system: WIDE COMPLEX TACHYCARDIA. It is regular.

Tachycardia 52

Tachycardia Cardiomyopathy Arrhythmia Diabetes 52

EMS 12-Lead

AUGUST 18, 2024

2. Baseline fibrotic substrate from dilated cardiomyopathy leading to VT. I interpreted the ECG as VT with two primary etiological possibilities: 1. Abrupt plaque ulceration of Type 1 ACS leading to VT. From a clinical standpoint I reconciled the first possibility as most probable since the chest discomfort came first.

Tachycardia 59

Tachycardia Blog RN Echocardiogram 59

Journal of Cardiothoracic Surgery

APRIL 1, 2024

Atrial tachycardia (AT) originating from the left atrial appendage (LAA) is uncommon and the most difficult arrhythmia to eliminate. Therefore, we present the case of a 5-year-old girl with tachycardia-induced.

Tachycardia 40

Tachycardia Electrophysiology Arrhythmia Cardiomyopathy 40

American College of Cardiology

NOVEMBER 16, 2024

Among patients with ischemic cardiomyopathy and ventricular tachycardia (VT), catheter ablation as a first-line strategy over antiarrhythmic drugs (AAD) was associated with a lower risk of the primary outcome, according to results of the VANISH2 trial.

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Ablation Tachycardia Cardiomyopathy Outcomes 58

HeartRhythm

JUNE 3, 2024

Recent advancements in catheter ablation for structural ventricular tachycardia (VT), such as high-density mapping and cardiac imaging-based detection of target areas, have significantly improved the efficacy of ablation procedures. These developments are likely to broaden the treatment scope to include patients with recurrent VT episodes.

Sudden Cardiac Death 40

Sudden Cardiac Death Tachycardia Ablation Defibrillator 40

HeartRhythm

APRIL 2, 2024

Cheng and Zhang to our paper1, we note that despite ARVC being a relatively uncommon cardiomyopathy, we uniquely report on a large clinical experience with very long-term follow-up after VT ablation and confirm a high incidence of atrial flutter (AFL) and the effectiveness and low risk of catheter ablation of AFL. In response to Drs.

Cardiomyopathy 45

Cardiomyopathy Ablation Atrial Flutter Arrhythmia 45

HeartRhythm

APRIL 30, 2024

Body surface microvolt QRS alternans has been shown to predict ventricular tachycardia (VT) in patients with structural heart disease, yet its relationship with the VT circuit is undefined.

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Tachycardia Cardiomyopathy Heart Disease 40

HeartRhythm

APRIL 23, 2024

70 y/o woman with a history of ischemic cardiomyopathy with ejection fraction of 20% due to a large healed anteroapical infarction.

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Tachycardia Ablation Cardiomyopathy Hospital 40

Dr. Smith's ECG Blog

JANUARY 9, 2024

She had a single chamber ICD/Pacemaker implanted several years prior due to ventricular tachycardia. Answer : The ECG above shows a regular wide complex tachycardia. Said differently, the ECG shows a rather slow ventricular tachycardia with a 2:1 VA conduction. Cardiac output (CO) was being maintained by the tachycardia.

Tachycardia 101

Tachycardia Electrophysiology Atrial Flutter Ischemia 101

European Journal of Heart Failure

OCTOBER 11, 2023

Patients with early-stage non-ischaemic cardiomyopathy (early-NICM) were characterized with late gadolinium enhancement (LGE) cardiovascular magnetic resonance. Three subgroups were included: isolated left ventricular (LV) dilatation, non-dilated LV cardiomyopathy and early dilated cardiomyopathy (DCM).

Cardiomyopathy 40

Cardiomyopathy Outcomes Tachycardia Diabetes 40

Circulation

NOVEMBER 11, 2024

This can initiate ventricular arrhythmias like polymorphic ventricular tachycardia (PMVT). Background:R-on-T phenomenon occurs when an electrical stimulus is delivered at a critical point during ventricular repolarization.

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Tachycardia Pacemaker Defibrillator Atrial Fibrillation 40

European Journal of Heart Failure

FEBRUARY 26, 2024

Dilated cardiomyopathy with arrhythmic phenotype. Abstract Aims Dilated cardiomyopathy (DCM) with arrhythmic phenotype combines phenotypical aspects of DCM and predisposition to ventricular arrhythmias, typical of arrhythmogenic cardiomyopathy.

Cardiomyopathy 40

Cardiomyopathy Sudden Cardiac Death Arrhythmia Tachycardia 40

HeartRhythm

APRIL 30, 2024

Recent data suggests that in this scenario, disease specific genetic arrhythmia panels may miss heritable diagnoses over arrhythmic plus cardiomyopathy panels.(1) Decisions as to the scope of workup for pathologic cardiac substrates in patients with ventricular arrhythmias can be challenging.

Arrhythmia 40

Arrhythmia Cardiomyopathy Tachycardia 40

Open Heart

APRIL 20, 2022

Objectives To describe a cohort of patients with arrhythmogenic left ventricular cardiomyopathy (ALVC), focusing on the spectrum of the clinical presentations. Twenty-one (41%) had normal echocardiogram, 13 (25%) a hypokinetic non-dilated cardiomyopathy (HNDC) and 17 (33%) a dilated cardiomyopathy (DCM).

Cardiomyopathy 52

Cardiomyopathy Chest Pain Sudden Cardiac Death Heart Failure 52

Heart BMJ

JANUARY 10, 2024

Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a disease characterised by fibrofatty replacement of the ventricular myocardium due to specific mutations, leading to ventricular arrhythmias and sudden cardiac death. Additionally, the impact of sotalol and amiodarone is inconsistent with studies reporting contradictory results.

Cardiomyopathy 40

Cardiomyopathy Sudden Cardiac Death Ablation Arrhythmia 40

Circulation

NOVEMBER 11, 2024

An external monitor revealed one episode of non-sustained supraventricular tachycardia, otherwise was unremarkable. Circulation, Volume 150, Issue Suppl_1 , Page A4139584-A4139584, November 12, 2024. He experienced worsening symptoms for which emergency department evaluation revealed anterior lead T-wave inversions on EKG.

Cardiomyopathy 40

Cardiomyopathy Sudden Cardiac Death Echocardiogram Bicuspid/Mitral 40