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ECG / Electrophysiology
Pacing through lateral cardiac vein showing QS complexes in lead V4-V6 in paced beats indicating an activation proceeding medially from lateral wall of LV.
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ECG / Electrophysiology
Idioventricular rhythms usually appear when the main pacemaker of the heart has slowed down or is non functional.
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ECG / Electrophysiology
Ventricular flutter is extremely uncommon & seldom recognized. Ventricular fibrillation is a disorganized ventricular rhythm fatal unless treated promptly.
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ECG / Electrophysiology
Torsades de Pointes is polymorphic ventricular tachycardia associated with QT prolongation.
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ECG / Electrophysiology
Three or more ventricular beats in a row at a rate above 100 per minute is termed ventricular tachycardia (VT).
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ECG / Electrophysiology
Ventricular arrhythmias are due to ectopic ventricular foci and have a wide QRS due slow conduction through ventricle outside specialised conduction system.
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Echocardiography
Diastolic function assessment from mitral flow Doppler echocardiography is usually by documenting E/A reversal.
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ECG / Electrophysiology
ECG showing Inferolateral myocardial infarction and ventricular ectopics
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ECG / Electrophysiology
Pacemaker tips 2
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ECG / Electrophysiology
Sites of origin of idiopathic VT: fascicular VT, outflow tract VT, perivenous VT – in the branches of the coronary venous system, aortic cusp VT.
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