…Patients with atrial flutter typically present with symptoms related to high ventricular rates and the loss of the atrial kick. The rapid ventricular response can…

…which yields a ventricular rate of about 150 beats per minute. One should always consider atrial flutter when confronted with a regular tachyarrhythmia at 150…

…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…

…QT prolongation. Ventricular flutter Monomorphic VT at a rate ~300 bpm (cycle length 200 ms). Ventricular fibrillation Irregular, rapid ( 300 bpm) ventricular depolarizations, with very…

…QT prolongation. Ventricular flutter Monomorphic VT at a rate ~300 bpm (cycle length 200 ms). Ventricular fibrillation Irregular, rapid ( 300 bpm) ventricular depolarizations, with very…

…<0,12 s): sinus tachycardia, inappropriate sinus tachycardia, sinoatrial re entry tachycardia, atrial fibrillation, atrial flutter, atrial tachycardia, multifocal atrial tachycardia, AVNRT, AVRT (pre excitation…

…that the rhythm is a polymorphic ventricular tachycardia (or even flutter). ECG 3 . Continued polymorphic ventricular tachycardia / flutter. ECG 4 . Continued polymorphic ventricular tachycardia / flutter.

…normal ventricular rate and activation). Recovery may, however, take several months. Table 1. Arrhythmias causing tachycardia induced cardiomyopathy SUPRAVENTRICULAR ARRHYTHMIAS Atrial fibrillation Atrial flutter Atrial…

…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…

…0.12 s): sinus tachycardia, inappropriate sinus tachycardia, sinus node re entry, atrial fibrillation, atrial flutter, atrial tachycardia, multifocal atrial tachycardia, AVNRT, AVRT (pre excitation…

…excitation with atrial fibrillation and a very rapid ventricular rate. Elective or subacute: Symptomatic persistent atrial fibrillation where rhythm control is the aim. Atrial flutter…

…Clinical Context Cardiac amyloidosis should be suspected in patients older than 65 years presenting with heart failure and increased left ventricular (LV) wall thickness [3…

…as atrial fibrillation, atrial flutter, paroxysmal supraventricular tachycardia, and hemodynamically compromising ventricular tachycardia, while defibrillation (unsynchronized shock) is reserved for ventricular fibrillation, where urgent reversion…

…be used in patients with heart failure, atrial fibrillation, atrial flutter, and in selected cases of paroxysmal supraventricular tachycardia. Due to its profound pro arrhythmic…

…orthodromic AVRT and atrial tachycardia. Suspected atrial flutter with a rapid, regular ventricular rhythm in which the flutter waves are concealed. A recurrent unclear wide…

…obstructive pulmonary disease (COPD). Moreover, certain other tachyarrhythmias predispose to developing atrial fibrillation: atrial flutter, AVNRT and AVRT (pre excitation, WPW syndrome) being the most…

…ventricular tachyarrhythmias and atrial fibrillation (AF). It is also effective in preventing the recurrence of a wide variety of supraventricular tachycardias (SVTs), including atrial flutter…

…of atrial flutter. Each P wave is followed by a QRS complex; atrioventricular block is uncommon unless the patient is receiving digoxin. The ventricular rate…

…<0,12 s): sinus tachycardia, inappropriate sinus tachycardia, sinoatrial re entry tachycardia, atrial fibrillation, atrial flutter, atrial tachycardia, multifocal atrial tachycardia, AVNRT, AVRT (pre excitation…

…atrial fibrillation and atrial flutter. Ischemic heart disease Both acute and chronic ischemic heart disease (including complications) can cause embolisms. Left ventricular aneurysm with thrombus…

…sudden cardiac arrest and cardiopulmonary resuscitation cpr/ Approximately 80% of individuals who suffer a sudden cardiac arrest have ventricular fibrillation prior to the cardiac arrest…

…IVR; Figures 1 and 2). When the ventricular pressure is less than the left atrial pressure, the mitral valve opens and the cycle is repeated…

…Figure 1 provides an example. Figure 1. Ventricular rhythm. One exception to the rule above should be noted. If an ectopic focus arises in or…

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…

…or syncope if the arrhythmia is sustained. In its fulminant course, VT degenerates to ventricular fibrillation, which then degenerates into asystole and cardiac arrest. Importantly…

…Left ventricular mass and geometry Women Men Reference Mildy abnormal Moderately abnormal Severely abnormal Reference Mildly abnormal Moderately abnormal Severely abnormal LINEAR METHOD LV mass…

Echocardiography Myocardial ischemia and infarction Definition and pathophysiology Left ventricular (LV) thrombus is an intracavitary clot attached to the LV endocardium, typically overlying an akinetic…

…by the failing right ventricle. Clinical presentation and symptoms Clinically important RVI is characterized by manifestations of severe right ventricular failure. Typical findings include: Jugular…

…potential occurs. If any component of the ventricular conduction system has not fully repolarized by the time the next impulse reaches the ventricles, the impulse…

…may appear as a simple and passive process, it is actually a complicated and fundamental aspect of ventricular function. Impaired diastolic function (i.e diastolic…

…pulmonary, renal and neurohormonal factors. These factors, which influence cardiac function primarily by affecting ventricular function, include blood pressure, venous return, pulmonary gas exchange efficiency…

…however, an important parameter in the assessment of ventricular hypertrophy and cardiomyopathy. Numerous formulas have been developed to approximate ventricular mass. Most formulas are simple…

…and clinical applications of these modalities, the definitions of cardiac planes, ventricular segments, and coronary arterial territories evolved differently. This resulted in difficulties when comparing…

…2 RR intervals). This is explained by the fact that the premature ventricular impulse does not discharge and reset the sinoatrial node, which will therefore…

…Right ventricular hypertrophy causes large R waves in right sided chest leads and deeper S waves in left sided leads. Right ventricular hypertrophy (RVH) During…

Echocardiography Right ventricular strain When assessing the right half of the heart, it is important to familiarize yourself with the principles of hemodynamics and conditions…

…complication. Clinical deterioration may be abrupt or progressive, and cardiogenic shock may develop rapidly. Ventricular septal rupture VSR typically causes: Recurrent chest pain. Dyspnoea. Hypotension…

…endocardium. As the fibrofatty replacement progresses, the ventricular wall becomes thinner and the ventricle begins to dilate. Approximately 50% of cases exhibit biventricular cardiomyopathy, although…

Echocardiography Methods for assessing systolic function (contractile function) Several echocardiographic measurements are available to assess left ventricular systolic function. These methods elucidate slightly different aspects…

…left ventricle): ≥45 milliseconds 1 Romhilt Este's score system ECG changes in left ventricular hypertrophy (LVH) Large R waves in left sided leads (V5…

Info Brugada's algorithm is the most used algorithm for distinguishing ventricular tachycardia (VT) and supraventricular tachycardia (SVT) with wide QRS complex. The algorithm entails…

…and arrhythmology ECG Diagnosis and management of narrow and wide complex tachycardia All clinically significant supraventricular and ventricular tachyarrhythmias have been reviewed in previous sections…

…fraction <55%. This implies that left ventricular pumping capacity is reduced and it is synonymous with heart failure with reduced ejection fraction (HFREF ). Average ejection…

…J. (2015). 2015 ESC Guidelines for the management of patients with ventricular arrhythmias and the prevention of sudden cardiac death. European Heart Journal , 36(41…

…is derived by measuring flow velocities across the mitral valve using pulsed Doppler. Estimating left ventricular filling pressure via e' . Measurement of deceleration time (DT) …

Echocardiography Myocardial relaxation and left ventricular diastolic function Diastolic function is determined by the efficiency of myocardial relaxation. The degree and velocity of relaxation are…

…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…

ECG Introduction to ECG interpretation The QRS complex (ventricular complex): normal and abnormal configurations and intervals A complete QRS complex consists of a Q , R…

…long QT syndrome (LQTS) & ventricular arrhythmias (torsade de pointes) due to prolonged QT interval The QT interval is the time interval from the beginning of…

…lines the greater vessels connected to the heart. The epicardium The outermost layer of the ventricular wall is the epicardium , which contains fibroelastic connective tissue…

Echocardiography Echocardiographic assessment of regional contractile function Systolic ventricular function is one of the strongest predictors of total and cardiovascular mortality. Previous chapters have discussed…

…J. (2015). 2015 ESC Guidelines for the management of patients with ventricular arrhythmias and the prevention of sudden cardiac death. European Heart Journal, 36(41…

…syncope, etc.). The results were as follows: 73% were caused by ventricular tachyarrhythmias, of which 45% were VT degenerating into VF. 27% were caused by…

…speckle tracking As previously discussed, the left ventricular wall can be subdivided into three layers: the inner lining ( endocardium ), a thick muscle layer ( myocardium ) and…

…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…

[calc_hcmrisk] Predicting Sudden Cardiac Death in Hypertrophic Cardiomyopathy (HCM) Hypertrophic Cardiomyopathy (HCM) is a genetic cardiomyopathy characterized by left ventricular hypertrophy. It is the…

…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…

…coronary anatomy, myocardial ischaemia, ventricular function and the anticipated benefit–risk balance of revascularization. Coronary angiography remains primarily an anatomical examination, whereas contemporary decision making…