Cardiology Introduction Ventricular tachycardia (VT) represents a complex and potentially lethal spectrum of cardiac arrhythmias that remains a formidable challenge in contemporary cardiovascular medicine. As…

…affected (i.e reduced) in virtually all cases. Ventricular tachycardia causes immense strain on the ventricular myocardium, simultaneously as the cause of the arrhythmia already…

Info Antiarrhythmic drugs and management of ventricular tachycardia, ventricular fibrillation This manual presents recommendations for the management of ventricular tachyarrhythmias (VT, VF). It is primarily…

…complex. Brugada's algorithm If there is no RS complex in any chest lead (V1–V6) a diagnosis of ventricular tachycardia can be made. Otherwise…

…not depolarized normally. The vast majority of WCTs originate from impulses generated in the ventricles (ventricular tachycardia being the most common arrhythmia). Any impulses generated…

Cardiology Antiarrhythmic drugs and management of ventricular tachycardia, ventricular fibrillation This manual presents recommendations for the management of ventricular tachyarrhythmias (VT, VF). It is primarily…

…any tachyarrhythmia leading to prolonged periods of rapid ventricular rate (Table 1). Children and healthy adults may also develop tachycardia induced cardiomyopathy (Gopinnathair et al)…

…treatment. It does not progress to ventricular tachycardia or ventricular fibrillation and it does not affect cardiac output to the point of hemodynamic compromise. Figure…

…and sudden cardiac arrest. Unlike ventricular tachycardia, ventricular fibrillation seldom self terminates and death is imminent without immediate and resuscitative efforts. https://ecgwaves.com/course…

…activation) and thus triggers another ventricular stimulation. This cycle may repeat itself so that a tachyarrhythmia is established. Pacemaker mediated tachycardia on ECG Pacemaker beats…

…Thus, the ECG criteria for sinus tachycardia follow. ECG criteria for sinus tachycardia Regular rhythm with ventricular rate 100 beats per minute. P wave with…

…Rarely the condition is confined to the left ventricle. ARVC causes ventricular tachycardia and sudden cardiac arrest; the disease is one of the most common…

…and ventricular function as well as predispose to significant arrhythmias. Typically, atrial enlargement predisposes to atrial fibrillation/flutter and ventricular enlargement predisposes to ventricular tachycardia…

…30 premature ventricular contractions occur consecutively, it is referred to as non sustained ventricular tachycardia (if the rate is 100 beats/min) or ventricular rhythm…

…and anxiety. As the tachyarrhythmia originates above the ventricles, ventricular depolarization proceeds normally via the His Purkinje system, and in most cases, there is no…

…When the ventricular rate remains below this threshold, the arrhythmia is classified instead as an ectopic atrial rhythm (EAR) . Ectopic atrial tachycardia (EAT) most commonly…

Arrhythmias and arrhythmology ECG Pre excitation, Atrioventricular Reentrant (reentry) Tachycardia (AVRT) and Wolff Parkinson White (WPW) syndrome: ECG, clinical characteristics and management Pre excitation The…

Arrhythmias and arrhythmology ECG Rhythms arising near the atrioventricular node: junctional rhythm (escape rhythm) and junctional tachycardia In this article, you will learn about rhythms…

…interrupted by ventricular tachycardia (VT). ECG 2 . Spontaneous termination of ventricular tachycardia (VT). ECG 3 . A single ventricular beat, followed by a three ventricular beats…

Esmolol Drug Esmolol Brand names Brevibloc ® Indications Short term control of ventricular rate (including perioperative tachycardia) and hypertension (including hypertensive emergency, perioperative hypertension). Mechanism…

…Causes of tachycardia (tachyarrhythmia) with wide QRS complexes (QRS duration ≥0,12 s) : ventricular tachycardia is the most common cause and it is potentially life…

…spontaneous termination of ventricular tachycardia. ECG 5 . Polymorphic ventricular tachycardia, self terminating. ECG 6 . Repeated runs of ventricular tachycardia. ECG 7 . Continued ventricular ectopy and…

…rhythm (VF, pulseless VT) : 35% Pulseless electrical activity (PEA) : 5%. Asystole : 1.6% Pulseless ventricular tachycardia (VT), ventricular fibrillation (VF), pulseless electrical activity (PEA), and…

…The fifth beat is a ventricular premature beat. A ventricular tachycardia (VT) emerges. As evident, ventricular tachycardia may appear more polymorphic in one lead (the…

…M. R. (2017). Beta blocker therapy for long QT syndrome and catecholaminergic polymorphic ventricular tachycardia: Are all beta blockers equivalent? Heart Rhythm , 14(1), e41…

…interval. The primary hazard lies in long QTc intervals because they induce a very unstable polymorphic ventricular tachycardia referred to as torsade de pointes . Abnormally…

…1 . Sinus rhythm interrupted by ventricular tachycardia (VT). ECG 3 . Ventricular fibrillation (VF). ECG 4 . Ventricular fibrillation (VF). ECG 5 . Ventricular fibrillation (VF). ECG 6…

…M. R. (2017). Beta blocker therapy for long QT syndrome and catecholaminergic polymorphic ventricular tachycardia: Are all beta blockers equivalent? Heart Rhythm, 14(1), e41…

…electrocardiogram (ECG), which predisposes the myocardium to a specific form of polymorphic ventricular tachycardia (VT) known as torsades de pointes (TdP). Drug induced LQTS and…

…or ventricular tachycardia. Prolonged spasm can cause acute myocardial infarction, including myocardial infarction with non obstructive coronary arteries (MINOCA). Ventricular fibrillation and sudden cardiac death…

…relative to the cardiac cycle, since a shock delivered asynchronously on the T wave during ventricular tachycardia can precipitate ventricular fibrillation, whereas a synchronized shock…

…virtually always accompanied by impaired left ventricular systolic function. It should be noted that several types of cardiomyopathies ( e.g ischemic cardiomyopathy, tachycardia induced cardiomyopathy…

…of polymorphic ventricular tachycardia (VT) occurs after the 4th beat. The VT terminates spontaneously after a few beats, and reoccurs again. ECG 2 . Ventricular flutter…

…rapid ventricular tachycardia (VT). ECG 2 . VT progressing to ventricular fibrillation. ECG 3 . Ventricular fibrillation, coarse (large amplitudes). ECG 4 . Ventricular fibrillation. ECG 5 . Ventricular…

…complexes with similar morphology as ECG 1, likely presenting a supraventricular rhythm. Three short bursts of ventricular tachycardia occur. ECG 3. Repeated bursts of VT…

…very rarely life threatening. Causes of tachyarrhythmia with wide QRS complexes (QRS duration ≥ 0.12 s): the commonest cause is ventricular tachycardia, which is a…

…relatives suggests a genetic predisposition to arrhythmias. Non Sustained Ventricular Tachycardia (NSVT) : Episodes of VT are a strong predictor of SCD. Unexplained Syncope : Syncope without…

…of the following symptoms: Syncope, pre syncope Ventricular tachycardia Ventricular fibrillation Cardiac arrest with or without sudden cardiac death Hence, the Brugada syndrome is a…

…ventricular fibrillation. Cardioversion : Use of synchronized electric shock (i.e. a shock synchronized to the QRS complex). Typically used to treat atrial fibrillation, ventricular tachycardia…

…atria begin to contract again. An unsynchronised shock that happens to fall in the T wave can precipitate ventricular fibrillation, and cardioversion of fibrillation of…

…PE) is classified according to haemodynamic status, clinical severity, evidence of right ventricular (RV) dysfunction, and myocardial injury. This classification is central to determining the…

…Generally, adenosine is considered safe for patients with narrow complex tachycardia (NCT). Adenosine typically causes a short lasting second or third degree AV block which…

…of cardiovascular mortality in general. This is not surprising given the adverse effects of long periods of tachycardia and desynchronized atrial and ventricular activity. Fortunately…

…first line therapies. Digoxin is also used frequently in the emergency setting to control ventricular rate during supraventricular tachycardias (e.g.atrial fibrillation). Because digoxin…

…tachycardia. Suspected atrial flutter with a rapid, regular ventricular rhythm in which the flutter waves are concealed. A recurrent unclear wide or narrow complex tachycardia…

…form of polymorphic ventricular tachycardia characterized by irregular (polymorphic) QRS complexes that appear to twist around the isoelectric baseline. The risk of ventricular fibrillation is…

…Conversely, asynchronous pacing may rarely result in pacing during ventricular repolarization and provoke ventricular tachycardia or ventricular fibrillation. The likelihood of clinically significant EMI is…

…is most likely due to misplaced limb electrodes. If the rhythm is tachycardia with wide QRS complexes, then ventricular tachycardia is the most likely cause.

…to misplaced limb electrodes. If the rhythm is tachycardia with wide QRS complexes, then ventricular tachycardia is the most likely cause. This article is part…

…in the right precordial leads—and a propensity for life threatening polymorphic ventricular tachycardia (VT) and ventricular fibrillation (VF) in patients with structurally normal hearts …

…with PEA and progress to asystole. Shockable rhythms (ventricular fibrillation [VF], ventricular tachycardia [VT]) are uncommon in hypoxic cardiac arrest, as evidenced by the fact…

…QT and QTc interval becomes prolonged. Arrhythmia Disopyramide may provoke or aggravate any ventricular arrhythmia, such as ventricular tachycardia, ventricular fibrillation, torsade de pointes etc)…

…AV block. Sinus node dysfunction and tach brady syndrome. Ventricular tachycardia, ventricular fibrillation and torsade de pointes. Hypocalcemia Causes of hypocalcemia Acute pancreatitis, pancreas surgery…

…ion channels) which predisposes the individual to syncope, ventricular arrhythmias (ventricular tachycardia, ventricular fibrillation) and sudden cardiac death. There are three types of ECG manifestations…

…person may have some circulation despite circulatory collapse (e.g., with sustained ventricular tachycardia). Experimental and clinical understanding of hypoxic neuronal cell death stems largely…

…system. Supraventricular tachyarrhythmias (tachycardia): rapid arrhythmias due to impulses originating from the atria. Ventricular tachyarrhythmias (tachycardia): rapid arrhythmias due to impulses originating from the ventricles…

…The pericardial space (cavity) always contains a small amount of serous fluid which acts as a lubricant that prevents friction during ventricular contraction and relaxation…

…ventricular beats or premature atrial supraventricular beats) can cause transient AV blocks by affecting the AV node, bundle of His or the bundle branches. Tachycardia…

…defibrillator (ICD) discharges and reduce the defibrillation threshold, though it typically does not slow ventricular tachycardia (VT) rates. It may also be effective in fetal…

…Causes of tachycardia (tachyarrhythmia) with wide QRS complexes (QRS duration ≥0,12 s) : ventricular tachycardia is the most common cause and it is potentially life…