Bidirectional Ventricular Ectopy: Causes & Reasons

Possible Causes for Bidirectional Ventricular Ectopy

[…] arrhythmias (bigeminy, long-QT interval, ectopy, bidirectional ventricular tachycardia), and dysmorphic facial features. [accessanesthesiology.mhmedical.com]

ventricular ectopy 0005147 Blepharophimosis Narrow opening between the eyelids 0000581 Brachydactyly Short fingers or toes 0001156 Broad forehead Increased width of the forehead [rarediseases.info.nih.gov]

Ventricular arrhythmias can include frequent ventricular ectopy, bigeminy, polymorphic ventricular tachycardia (VT), and, less commonly, bidirectional VT. [heartrhythmcasereports.com]

Catecholaminergic Polymorphic Ventricular Tachycardia Type 5

This bidirectional ventricular ectopy terminated abruptly in the immediate recovery period with the onset of SVT (Figure 1(a)). [hindawi.com]

Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT) is a genetic arrhythmia syndrome characterized by frequent ventricular ectopy and polymorphic, classically bidirectional [clinicaltrials.gov]

A positive test is defined when complex ventricular ectopy, bidirectional ventricular tachycardia (VT), and/or polymorphic VT occurs (Figure 1). [acc.org]

Catecholaminergic Polymorphic Ventricular Tachycardia

This bidirectional ventricular ectopy terminated abruptly in the immediate recovery period with the onset of SVT (Figure 1(a)). [hindawi.com]

A positive test is defined when complex ventricular ectopy, bidirectional ventricular tachycardia (VT), and/or polymorphic VT occurs (Figure 1). [acc.org]

Bidirectional Tachycardia

E.2.3Trial contains a sub-study No E.3Principal inclusion criteria - Clinical diagnosis of CPVT, based on: reproducible polymorphic or bidirectional ventricular tachycardia [clinicaltrialsregister.eu]

ECG Examples Example 1 Multifocal ectopy and bidirectional VT secondary to digoxin poisoning Example 2 Bidirectional VT due to digoxin toxicity Example 3 Exercise stress test [litfl.com]

[…] with exercise or Ventricular ectopy on exercise test with RYR2 or CASQ2 mutation - Functioning ICD in place - On stable dose of standard therapy defined as the maximal tolerated [clinicaltrialsregister.eu]

Familial Ventricular Polymorphic Tachycardia

A positive test is defined when complex ventricular ectopy, bidirectional ventricular tachycardia (VT), and/or polymorphic VT occurs (Figure 1). [acc.org]

ECG Examples Example 1 Multifocal ectopy and bidirectional VT secondary to digoxin poisoning Example 2 Bidirectional VT due to digoxin toxicity Example 3 Exercise stress test [litfl.com]

The diagnosis of CPVT relies on the demonstration of ventricular arrhythmias (VA) during standard noninvasive exercise treadmill testing and epinephrine drug challenge. [acc.org]

Catecholaminergic Polymorphic Ventricular Tachycardia Type 2

A positive test is defined when complex ventricular ectopy, bidirectional ventricular tachycardia (VT), and/or polymorphic VT occurs (Figure 1). [acc.org]

ECG Examples Example 1 Multifocal ectopy and bidirectional VT secondary to digoxin poisoning Example 2 Bidirectional VT due to digoxin toxicity Example 3 Exercise stress test [litfl.com]

Ventricular ectopy, bidirectional VT, and polymorphic VT may occur in a progressively predictable order with increasing heart rate. [doi.org]

Thyrotoxic Periodic Paralysis

Flecainide has been shown to be successful in treating bidirectional ventricular tachycardia, ventricular ectopy, and tachycardia-induced cardiomyopathy. [20] [emedicine.medscape.com]

Long QT Syndrome 6

ECG features include mild QT interval prolongation, abnormal U waves, frequent ventricular ectopy, bidirectional ventricular tachycardia (VT), and polymorphic VT. [frontiersin.org]

Long QT Syndrome

Ventricular ectopy, bidirectional VT, and polymorphic VT may occur in a progressively predictable order with increasing heart rate. [doi.org]

The cardiac manifestations in AS individuals with mutations in KCNJ2 included LQT, premature ventricular contractions (PVCs), complex ventricular ectopy (bigeminy, two or [ncbi.nlm.nih.gov]

Provocative Testing in CPVT A positive test is defined when complex ventricular ectopy, bidirectional VT, and/or polymorphic VT occurs ( Figure 1 ). [doi.org]

Long QT Syndrome 10

ECG features include mild QT interval prolongation, abnormal U waves, frequent ventricular ectopy, bidirectional ventricular tachycardia (VT), and polymorphic VT. [frontiersin.org]

Long QT Syndrome 13

ECG features include mild QT interval prolongation, abnormal U waves, frequent ventricular ectopy, bidirectional ventricular tachycardia (VT), and polymorphic VT. [frontiersin.org]

Long QT Syndrome 8

ECG features include mild QT interval prolongation, abnormal U waves, frequent ventricular ectopy, bidirectional ventricular tachycardia (VT), and polymorphic VT. [frontiersin.org]

Ventricular Arrhythmia

Ventricular ectopy, bidirectional VT, and polymorphic VT may occur in a progressively predictable order with increasing heart rate. [doi.org]

The cardiac manifestations in AS individuals with mutations in KCNJ2 included LQT, premature ventricular contractions (PVCs), complex ventricular ectopy (bigeminy, two or [dx.doi.org]

Provocative Testing in CPVT A positive test is defined when complex ventricular ectopy, bidirectional VT, and/or polymorphic VT occurs ( Figure 1 ). [doi.org]

Hyperalaninemia

ventricular ectopy, Prolonged ... [mousephenotype.org]

[…] lactate, Lactic acidosis, Renal tubular acidosis, Cardiomyopathy OMIM:614922 Andersen Cardiodysrhythmic Periodic Paralysis Hypokalemia, Hyperthyroidism, Palpitations, Syncope, Bidirectional [mousephenotype.org]

Hyperkalemia

ectopy is more common in adults Nonparoxysmal atrial tachycardia with heart block and bidirectional ventricular tachycardia are particularly characteristic of severe digitalis [emedicine.medscape.com]

[…] with increased automaticity and decreased AV conduction occur Sinus bradycardia and AV conduction blocks are the most common ECG changes in the pediatric population, while ventricular [emedicine.medscape.com]

Brugada Syndrome

Ventricular ectopy, bidirectional VT, and polymorphic VT may occur in a progressively predictable order with increasing heart rate. [doi.org]

Provocative Testing in CPVT A positive test is defined when complex ventricular ectopy, bidirectional VT, and/or polymorphic VT occurs ( Figure 1 ). [doi.org]

Intravenous β-blocker therapy can be used to suppress ventricular arrhythmias in CPVT after provocative testing. [doi.org]

Fingerprint Body Myopathy

They include long QT, ventricular ectopy, bidirectional ventricular arrhythmias, and tachycardia. [doctorlib.info]

Digitalis Toxicity

Partington-Anderson Syndrome

ectopy and bidirectional ventricular tachycardia seen in Andersen–Tawil syndrome can also occur in catecholaminergic polymorphic ventricular tachycardia. [2] The intermittent [en.wikipedia.org]

This, as in other forms of long QT syndrome, can lead to abnormal heart rhythms such as ventricular ectopy or ventricular tachycardia causing palpitations. [2] The ventricular [en.wikipedia.org]

[…] tachycardia seen in Anderson-Tawil syndrome often takes a form known as bidirectional ventricular tachycardia. [en.wikipedia.org]

Sudden Infant Death Syndrome

ectopy or tachycardia during exercise or stress to help make the diagnosis. [4] Bidirectional ventricular tachycardia during such events is specific but insensitive. [10] [doi.org]

[…] significant cause of SUD which is discussed below. [4] Exercise stress testing, Holter monitor recording, looping event monitors and implantable loop recorders can reveal ventricular [doi.org]

Digitalis

ectopy is more common in adults Nonparoxysmal atrial tachycardia with heart block and bidirectional ventricular tachycardia are particularly characteristic of severe digitalis [emedicine.com]

Channelopathy

However, several KCNJ2 mutations have been identified in patients clinically diagnosed with CPVT because of complex ventricular ectopy including bidirectional ventricular [content.onlinejacc.org]